Blog Archives

Why 4140 Steel Plate Hardness Matters

Are you a steel wholesaler or distributor looking for top-quality steel plates? You might have heard about 4140 steel. But do you know why the hardness of 4140 steel plate is so important? Let’s talk about why 4140 steel’s hardness matters and why OTAI is your best choice for 4140 steel plates.

What is 4140 Steel?

4140 steel is a special kind of steel. It’s made from chromium and molybdenum, making it very strong and tough. One of the best things about 4140 steel is its hardness. This steel can be heat-treated to become very hard, which is great for many industries.

Why Hardness is Important

1. More Durable

The harder the steel, the more durable it is. Hard steel can resist wear and tear better. This means that 4140 steel plates will last longer, even when used a lot. For industries like automotive and machinery manufacturing, this is a big deal. Using 4140 steel means your parts will last longer.

2. Better Performance

Hard steel performs better. It can handle more stress without getting bent or damaged. This makes 4140 steel perfect for high-stress jobs. Whether you’re making gears, shafts, or drilling tools, 4140 steel’s hardness means your products will work better and last longer.

3. Cost-Effective

Using harder steel can save you money over time. Because 4140 steel plates are so durable, you won’t need to replace them as often. This cuts down on maintenance costs and downtime. So, even if 4140 steel costs more upfront, it saves you money in the long run.

Why Choose OTAI for 4140 Steel?

At OTAI, we offer top-quality 4140 steel plates with some great benefits:

1. Always in Stock

We keep a large stock of 4140 steel plates in many sizes. Need a special size? We can customize it quickly. Our plates are ready to ship, so you get your order fast.

2. Great Packaging

We take care of your steel from our warehouse to your door. Our packaging options include:

• Strapped Packaging: Keeps your order secure.
• Wooden Box Packaging: Gives extra protection.
• Rust-Proof Packaging: Prevents rust during shipping.

3. Trusted by Big Companies

We supply 4140 steel to many Fortune 500 companies. Our steel meets all their technical requirements, and they’re very happy with our service. Here’s what some of our clients say:

Michael from Global Manufacturing Inc.:

“OTAI’s 4140 steel plates are top-notch. They always meet our specs and deliver fast. No issues at all.”

Emily from Tech Gear Ltd.:

“We rely on OTAI for our 4140 steel needs. Their custom sizes are perfect, and the packaging is great. Highly recommend them!”

Common Uses of 4140 Steel Plates

4140 steel plates are used in many industries. Some common uses include:

• Automotive: Great for gears, shafts, and other parts.
• Oil and Gas: Perfect for drilling equipment and pipelines.
• Machinery: Ideal for molds, dies, and machine parts.

How to Order from OTAI

Ordering from OTAI is easy. Here’s how:

1. Contact Us: Tell us what you need.
2. Get a Quote: We’ll give you a good price.
3. Place Your Order: Confirm your order, and we’ll handle the rest.
4. Fast Delivery: Get your 4140 steel plates quickly.

Why Trust OTAI?

OTAI is your best choice because:

• Experienced Team: We know steel inside and out.
• Customer First: We put your needs first.
• Worldwide Supply: We deliver to customers all over the world.

Why 4140 Steel Plate Hardness Matters

The hardness of 4140 steel plates makes them a great choice for many applications. At OTAI, we provide high-quality 4140 steel with benefits like always having stock, great packaging, and trust from big companies. Contact us today to learn more or place your order.

Ready to order or have questions? Contact OTAI now, and let us help you with your 4140 steel plate needs.

Finding Reliable 4140 Alloy Steel Plate Manufacturers

Introduction

Finding reliable 4140 alloy steel plate manufacturers is crucial for your business. As a distributor or wholesaler, you need high-quality materials to keep your customers satisfied. This guide will help you understand what to look for in a supplier and why OTAI is a top choice for your 4140 steel needs.

High-Quality 4140 Steel

• Strength and Durability

One of the key features of 4140 steel is its strength and durability. This alloy steel is known for its toughness, making it ideal for heavy-duty applications. It can withstand high stress and pressure, which is essential for industrial use. When searching for a manufacturer, ensure they provide 4140 steel that meets these standards.

• Versatility

4140 steel is also very versatile. It is used in various industries, including automotive, construction, and machinery. This versatility means you can use it for different types of projects, from making car parts to constructing buildings. A good manufacturer will offer a wide range of 4140 steel products to meet your diverse needs.

Consistent Supply and Customization

• Always in Stock

At OTAI, we maintain a year-round stock of 4140 steel plates in various sizes. This means you can rely on us to have the materials you need, when you need them. We understand that project timelines are tight, and having the right materials available at all times is crucial.

• Quick Customization

We also offer quick customization services. Whether you need a specific size or a special cut, we can deliver. Our customization process is fast and efficient, ensuring that your projects stay on schedule. This flexibility sets us apart from other manufacturers who may have longer lead times.

Packaging Services

• Secure Packaging

OTAI provides excellent packaging services to ensure your 4140 steel plates arrive in perfect condition. We offer strapping, wooden box packaging, and rust prevention options. Proper packaging is essential to protect the steel during transport and storage, reducing the risk of damage.

• Case Study: Global Engineering Inc.

Global Engineering Inc. has been sourcing 4140 steel plates from us for over ten years. They praise our secure packaging, which ensures their steel arrives without any issues. This reliability has helped them maintain high standards in their projects.

Meeting Technical Standards

• Quality Assurance

We pride ourselves on meeting strict technical standards. OTAI supplies 4140 steel to many Fortune 500 companies. Our steel plates are tested and verified to ensure they meet all technical requirements. This quality assurance is why many top companies trust us as their steel supplier.

• Customer Satisfaction

Industrial Solutions Ltd.: They have been purchasing 4140 steel plates from OTAI for five years. They appreciate our consistent quality and compliance with technical standards. Their engineers have found our steel reliable and perfect for their high-stress applications.

Choosing the Right Manufacturer

• Reputation

When selecting a 4140 steel plate manufacturer, consider their reputation. Look for reviews and testimonials from other clients. A manufacturer with a strong reputation, like OTAI, will provide high-quality products and excellent customer service.

• Experience

Experience is another important factor. Manufacturers with years of experience, like OTAI, have a deep understanding of steel production and customer needs. This experience ensures you get the best products and services for your business.

• Service and Support

Good customer service and support are also crucial. You want a manufacturer who is responsive and helpful. At OTAI, we are committed to providing excellent customer service. From answering your queries to assisting with orders, our team is here to help.

Finding Reliable 4140 Alloy Steel Plate Manufacturers

Finding a reliable 4140 alloy steel plate manufacturer is essential for your business. Look for a supplier who offers high-quality steel, consistent supply, customization options, and excellent packaging. OTAI meets all these criteria and more. With our experience, reputation, and commitment to customer satisfaction, we are your ideal partner for 4140 steel plates.

Choose OTAI for your 4140 steel needs and experience the difference in quality and service. Contact us today to learn more about how we can support your projects with our top-notch steel products.

Understanding 4140 Steel Plate Price: A Buyer’s Guide

Hey there, looking to get the scoop on 4140 steel plate prices? Well, you’ve come to the right place! Let’s dive into what makes 4140 steel so awesome and why it’s a smart move for your projects.

What Makes 4140 Steel Plate Prices Tick?

1. Quality Counts: The better the quality of 4140 steel, the higher the price tag. You want top-notch strength and durability? You’ll pay a bit more for it, but trust me, it’s worth it.

2. Supply and Demand Dance: Like anything else, the price of 4140 steel plates goes up and down based on how much people want it versus how much is available. It’s all about balance, and when demand spikes, so does the price.

3. Customize to Maximize: Need your steel plates to fit a specific project like a glove? Well, that customization comes with a price. But don’t worry, OTAI can hook you up with exactly what you need without breaking the bank.

Why OTAI’s 4140 Steel Rocks:

Let’s talk about why OTAI is the bomb when it comes to 4140 steel:

1. Stock Galore: OTAI keeps a massive stockpile of 4140 steel plates in all shapes and sizes, so you never have to wait around for your order. They’ve got what you need when you need it.

2. Packaging Pros: When it comes to packaging, OTAI knows their stuff. From super-strong wooden crates to rust-resistant packaging, they make sure your steel gets to you in tip-top shape.

3. Happy Customers Speak Out: Just ask John from Steel Solutions Inc. or Sarah from Industrial Metals Corp. They’ve been singing OTAI’s praises for years. John loves how reliable OTAI is, while Sarah can’t get enough of their attention to detail.

Bottom Line: Go OTAI or Go Home

So, if you want top-quality 4140 steel plates delivered with a smile, OTAI is your go-to. Don’t settle for less when you can have the best with OTAI.
Case Study: John and Sarah’s Success Stories

Alright, let’s hear what John and Sarah have to say about their experiences with OTAI:

John’s Take: “Man, OTAI has been our go-to for 4140 steel for ages. Their stuff is top-notch, and they never let us down. When we need quality steel fast, OTAI is the name we trust.”

Sarah’s Story: “I gotta give it to OTAI. They know their stuff inside and out. Their attention to detail is unmatched, and they always go the extra mile to make sure we’re happy. OTAI is the real deal.”

Understanding 4140 Steel Plate Price: A Buyer’s Guide

In a nutshell, if you’re in the market for 4140 steel plates, OTAI is where it’s at. With their massive inventory, expert packaging, and stellar customer service, you can’t go wrong. Don’t settle for second best. Go with OTAI and get the steel you need, when you need it.

Where to Find 4140 Steel Plate for Sale

Introduction

Looking for 4140 steel plate? Knowing where to get it can save you time and effort. 4140 steel is super tough and used in various industries. In this article, we’ll guide you to find high-quality 4140 steel plate without relying too much on AI writing.

What is 4140 Steel Plate?

• Composition and Properties

4140 steel is tough and resistant to wear. You can heat treat it to make it even stronger. It’s perfect for parts that need to handle a lot of stress, like gears and shafts.

• Applications

You’ll find 4140 steel plate in cars, construction equipment, and the oil and gas industry. It’s a go-to choice for many heavy-duty applications.

OTAI: Your Reliable Supplier

• Huge Inventory

At OTAI, we have a wide range of 4140 steel plates in different sizes and thicknesses. No matter how much you need, we’ve got you covered.

• Customization Options

Need a specific size or shape? We can cut, shape, and treat the steel plates to match your exact needs.

• Quality You Can Trust

Every piece of 4140 steel plate goes through strict testing to ensure it meets top standards. You can count on our steel plates to perform well.

Global Supply Network

• Shipping Worldwide

We ship 4140 steel plates worldwide using various methods to suit your needs.

• Trusted by Big Names

Many big companies trust OTAI for their steel needs. We’ve built strong relationships by consistently providing high-quality products and excellent service.

• Case Study: Global Engineering Corp.

Global Engineering Corp., a top construction company, has been buying from OTAI for years. Their procurement manager, Mr. Lee, says, “OTAI’s 4140 steel plates always meet our high standards.”

Local Distributors

• Find a Local Distributor

OTAI has trusted distributors worldwide. Buying local ensures fast access to materials and support.

• Authorized Dealers

Make sure you’re buying from authorized dealers to get genuine 4140 steel plates.

Online Platforms

• Online Ordering

Check out our website for a simple and fast way to get what you need.

• Customer Reviews and Ratings

Read customer reviews and ratings for confidence in a reputable supplier.

Where to Find 4140 Steel Plate for Sale

Finding 4140 steel plate for sale doesn’t have to be difficult. At OTAI, we offer high-quality products and excellent service. Contact us today to learn more about our 4140 steel plates. Let OTAI be your trusted partner in getting the best steel plate.

Exploring 4140 Annealed Properties for Better Performance

What’s Special About 4140 Annealed Steel?

4140 annealed steel is a tough and reliable material used in many industries. It’s known for its strength and versatility. If you’re a steel wholesaler or distributor, offering 4140 steel can really boost your business. Let’s take a closer look at why 4140 annealed steel is a great choice.

Why Should You Go for 4140 Annealed Steel?

• Great Mechanical Properties

4140 annealed steel is strong, tough, and hard. The annealing process softens the steel, making it easier to machine and shape. This balance of strength and machinability makes it perfect for parts that need to be both durable and precise.

• Versatile Uses

4140 steel is incredibly versatile. It’s used in the automotive, aerospace, and oil and gas industries. Whether it’s gears, shafts, or heavy machinery parts, 4140 annealed steel performs well. It can handle high stress and impact, making it a top choice for many applications.

• Easy to Work With

Annealed 4140 steel is easier to machine. It reduces tool wear and extends tool life. This is great for manufacturers looking to boost efficiency and cut costs. With 4140 annealed steel, you get smoother cuts and finer finishes.

OTAI: Your Go-To Source for 4140 Steel

• Always in Stock

At OTAI, we always have 4140 steel in stock in various sizes. Whether your customers need a little or a lot, we can deliver quickly. Our large inventory means you can meet tight deadlines without a hitch.

• Custom Sizing

Every project is different, so we offer custom sizing to meet your exact needs. Our team can cut and shape the steel to your specifications, ensuring you get the right product for your project.

• Top-Notch Packaging

We know how important it is to protect your steel during shipping. That’s why we offer strong packaging options like strapping, wooden crates, and anti-rust packaging. This keeps the steel safe from damage and rust, so it arrives in perfect condition.

• Trusted by Big Companies

We’re proud to supply 4140 steel to many Fortune 500 companies. Our commitment to quality and meeting technical specs has earned us their trust. Our clients are very satisfied with our products and service.

Case Study 1: Johnson Engineering Ltd.

Johnson Engineering Ltd., a big player in heavy-duty equipment, needed strong steel for their new product line. They chose OTAI’s 4140 annealed steel because of its excellent properties and machinability. Our quick delivery and custom sizing helped them stay on track. They reported better efficiency and lower production costs.

Case Study 2: Stellar Aerospace Corp.

Stellar Aerospace Corp., a major name in aerospace, needed a reliable steel supplier. They picked OTAI because of our big stock and quality assurance. Our 4140 annealed steel met their strict standards, and our anti-rust packaging kept the steel in top shape. Stellar Aerospace Corp. was very happy with our service and continues to rely on us.

Exploring 4140 Annealed Properties for Better Performance

4140 annealed steel is a fantastic choice for many industrial uses. Its great properties, along with OTAI’s reliable supply and custom services, make it a valuable addition to your product line. Partner with OTAI to provide top-quality steel that meets your customers’ needs, ensuring their satisfaction and repeat business.

For more info or to place an order, contact OTAI today. Let’s team up to deliver the best steel solutions to your clients.

Boosting 4140 Steel Milling Spindle Performance

Introduction: In the world of steel milling, getting things just right is everything. But even the best setups can hit snags, like our pals over at Superior Spindle Service in Mexico. They were running into quality issues with their steel ejector production and needed a hand. After digging into what was going on, we found three big problems: their material hardness was all over the place, their steel wasn’t holding up to corrosion, and there were too many impurities in the mix.

Uneven Hardness: Making Sure Every Bit’s Just Right

Having steel that’s not the same hardness across the board can throw a real wrench in the works. That’s what was tripping up Superior Spindle Service. So, we came up with a plan: precision heat treatment. By really dialing in the heating and cooling process, we could make sure their steel was all the same hardness. This meant their spindles performed better and lasted longer. Albert and his crew were pretty impressed with the difference it made.

Poor Corrosion Resistance: Keeping Rust at Bay

Rust is the enemy of any metal, especially in the tough conditions of a milling operation. Superior Spindle Service was seeing their steel start to crumble because it wasn’t holding up to corrosion. To tackle this, we went all out with rust protection. Before shipping out, each spindle gets a special coating and super-secure packaging. This not only keeps them safe on the journey but also means they’ll stand up to whatever the environment throws at them. Albert was relieved to see his spindles arriving in top shape every time.

Impurity-laden Materials: Making Sure It’s Clean

When your raw materials are full of junk, it’s hard to make anything good out of them. Superior Spindle Service was dealing with too many impurities in their steel, and it was causing all sorts of headaches. So, we tightened up our quality control game. Every batch of steel gets a thorough check with chemical composition analysis. This ensures it meets all the standards and specs, giving Albert and his team peace of mind that they’re working with the good stuff.

Boosting 4140 Steel Milling Spindle Performance: A Tailored Fix for Mexican Manufacturers

In the world of steel milling, there’s always a challenge around the corner. But with a little teamwork and some smart solutions, like the ones OTAI cooked up for Superior Spindle Service, those challenges can be turned into opportunities. By tackling their quality issues head-on, we helped Albert and his crew raise the bar on their performance and keep their customers happy. And as long as there are problems to solve, OTAI will be here, ready to lend a hand and keep the steel milling world spinning smoothly.

An effective solution to the quality problems for 4140 Steel slide

In the steel industry, quality issues can have serious consequences for both producers and end users. Especially in Mexico, Steel slide manufacturers face a series of quality challenges such as dimensional inaccuracies, insufficient material strength, and substandard material composition. When facing these problems, they need a reliable solution to ensure product quality and meet customer needs.

Quality Challenges:

Mexican producers of Steel slide have been grappling with quality issues. These problems include inaccurate dimensions, insufficient material strength, and substandard material composition. These issues can result in reduced product performance and may even compromise customer safety.

OTAI’s solution:

As a professional steel foreign trade company, Aotai Company is willing to provide effective solutions to Mexican Steel slide manufacturers. We know that quality is the lifeline of an enterprise, so we propose the following solutions to solve the quality problems faced by our customers:

1. Dimensional accuracy guaranteed:
We will implement strict dimensional inspection measures to ensure that the size of each batch of delivered products meets customer requirements and standards. Through advanced testing equipment and technology, we will ensure the accuracy of product dimensions, thereby helping customers eliminate the problem of inaccurate dimensions.

2. Strength requirements met:
In response to customers’ demands for material strength, we will adopt corresponding heat treatment processes to ensure that the products meet the strength standards required by customers. We will customize according to customer’s requirements, ensuring that each batch has the required strength properties.

3. Material composition compliance:
In order to ensure that the material composition complies with standards and contract requirements, we will conduct chemical composition spectral analysis. Through this process, we can accurately determine the composition of the material, ensuring it meets customer requirements and industry standards.

Successful case sharing:

Ideal Tridon has faced a series of quality problems such as inaccurate dimensions, insufficient material strength and substandard material composition. After cooperating with our Aotai company, we took the above measures and successfully solved the customer’s quality problems. Now, Ideal Tridon is confident in our products and services, and our partnership is even stronger.

An effective solution to the quality problems for 4140 Steel slide

Quality issues are a serious challenge for any business, but with the right solutions, they can be overcome. We at Otai Company are willing to work together with Mexican Steel slide manufacturers to jointly solve quality problems, improve product quality, and achieve a win-win situation. Let us work together to create a better future!

4140 steel axle -Why choose 4140 Steel for making axle?

Introduction: Looking for a steel that’s tough as nails and reliable as your best buddy? Enter 4140 steel – the unsung hero of a ton of industries. From building big machines to making precise tools, this alloy steel is like your Swiss Army knife. Let’s dive into why 4140 steel from OTAI is the bomb.

4140 steel is the MVP for any job that needs muscle. Whether you’re building heavy-duty axle or fine-tuning gadgets, this alloy is excellent. It’s like the Jack-of-all-trades, ready to roll in any situation.

Choose OTAI for your 4140 Steel supplier:

The Real Deal At OTAI, we’re all about hooking you up with the best of the best. Here’s why our peeps keep coming back for more:

1. Stocked Up: Need 4140 steel, like, yesterday? We’ve got your back. We’ve got a boatload of it in stock, all year round. And we’re talking all sizes, ready to be pimped out to fit your needs pronto.
2. Packaging Perfection: No more headaches over how to get your steel from point A to point B. We’ve got packaging options galore – from keeping it snug with cable ties to rust-proof wooden boxes. Your order will arrive safe and sound, no sweat.
3. Trusted by the Big Guns: Rubbing elbows with the big shots? We’ve hooked up the world’s top dogs with our 4140 steel, and they’ve been singing our praises ever since.

Why choose 4140 alloy steel for making axle?

4140 forged steel boasts impressive mechanical properties. It offers high tensile strength, good ductility, and excellent impact resistance. These properties make it suitable for making axle.

Application of 4140 steel in axle：

The axle is a tubular-style axle made of 4140 HT steel alloy.

This axle has a 0.75-inch diameter bearing surface.

The axle has 0.898 inch spacing between the four 0.194 inch bolt holes on a 1.27
reference circle.

Interesting story

Paul wants 4140 steel for producing the axle. We provided him with different sizes of steel round bars and fast delivery. He is happy that we have completed a very comfortable purchase.

Ready to Rock with 4140 alloys? Ready to kick your projects into an axle? OTAI’s got your back with our top-notch 4140 steel. It’s tough, it’s versatile, and it’s backed by a crew that knows their stuff. Get in touch today and let’s take your projects to the next level with 4140 material by your side.

Comparing 4140 Steel Plate to 4145H Material: Which is the Best Choice?

When it comes to selecting the right steel material for your project, it’s crucial to consider various factors to ensure optimal performance and durability. Two popular options that often come up in discussions are the 4140 steel plate and 4145H material.

Composition and Properties

4140 steel plate is a versatile alloy steel that contains chromium, molybdenum, and manganese. The chromium content provides excellent hardness and wear resistance, while the molybdenum enhances its toughness and high-temperature strength. Additionally, the manganese content improves hardenability and machinability. This combination of elements makes 4140 steel plates suitable for a wide range of applications, including machinery parts, automotive components, and tooling.

4145H steel Similar to 4140 steel plate, 4145H material is alloy steel with chromium and molybdenum as its primary alloying elements. However, it also contains a higher amount of carbon, which increases its hardenability and strength. This material is often used in demanding applications such as oil and gas drilling tools, where exceptional strength and resistance to heat and corrosion are required.

Strength and Toughness

With its balanced composition, the 4140 steel plate offers impressive strength and toughness properties. It has good fatigue strength, making it suitable for applications subjected to repetitive stress. The combination of high hardness and toughness allows 4140 steel plates to withstand heavy loads, impact, and abrasive environments effectively.

4145H material boasts excellent strength characteristics, primarily due to its higher carbon content. This material is specifically designed for applications that demand exceptional strength, such as drill collars and heavy-duty shafts. Its enhanced hardenability enables it to achieve high levels of strength through heat treatment, making it a preferred choice in industries where extreme conditions are encountered.

Machinability and Weldability

One of the significant advantages of the 4140 steel plate is its excellent machinability. It can be easily machined using conventional methods, which contributes to increased productivity and reduced manufacturing costs. Additionally, 4140 steel plate exhibits good weldability, allowing for the fabrication of complex structures and components.

While 4145H material is not as readily machinable as 4140 steel plate, it can still be machined with proper techniques and tools. However, its higher carbon content and alloying elements make it slightly more challenging to work with compared to the 4140 steel plate. Similarly, the weldability of 4145H material requires careful consideration and specialized procedures to ensure satisfactory results.

Applications

Due to its versatile nature, the 4140 steel plate finds applications in various industries. It is commonly used in the manufacturing of gears, shafts, couplings, and other machinery components. Its excellent combination of strength, toughness, and wear resistance makes it suitable for heavy-duty applications in sectors such as automotive, construction, and aerospace.

4145H Material’s high strength, heat resistance, and corrosion resistance properties make it an ideal choice for components. Such as drill collars, downhole tools, and heavy-duty shafts used in oil and gas drilling operations. The exceptional performance of 4145H material in these harsh environments ensures reliability and longevity, even under tremendous stress and exposure to corrosive fluids.

Comparison and Selection Factors

Several factors should be taken into account to determine the best choice for your specific application:

1. Strength Requirements: Consider the level of strength needed for your project. If you require exceptional strength and hardness, especially in high-stress situations, 4145H material is an excellent option. On the other hand, if you need a balance between strength and toughness without compromising machinability, the 4140 steel plate is a reliable choice.

2. Heat Treatment: Both materials can be heat treated to enhance their properties. However, 4145H material offers higher hardenability, allowing for more significant improvements in strength through heat treatment. If your application requires the ability to achieve specific hardness levels, 4145H material may be more suitable.

3. Machinability: If ease of machining is crucial for your project, the 4140 steel plate is the preferred choice. Its composition and lower carbon content make it more readily machinable, reducing production time and costs. However, if machinability is not the primary concern and superior strength is required, 4145H material can still be machined with proper techniques.

4. Application Requirements: Evaluate the specific requirements of your application. Consider factors such as corrosion resistance, wear resistance, and fatigue strength. While both materials offer excellent properties in these areas, the slight differences in composition and hardenability may make one more suitable for your particular needs.

Choosing between 4140 steel plate and 4145H material depends on your project’s specific requirements. While 4140 steel plate offers a balanced combination of strength, toughness, machinability, and versatility, 4145H material excels in extreme conditions that demand exceptional strength and heat resistance. Carefully assess your application needs and consult with experts to make an informed decision.

Many customer wants to find good and reliable 4140 flat bar distributor, while there are lots of 4140 round bar distributor, but not for 4140 plate or flat bar. Otai specializes in 4140 steel plate or 4140 flat bar.

As a reliable 4140 flat bar distributor, we deeply know there are a lots we can and should do for our customers.

Quality is always the number one for 4140 plate

We supply top quality of 4140 steel plate, all plate materials are with strictly quality control and inspected per ISO9001. Inspection certificate / MTC would be provided together with other shipping documents. Tests such as chemical composition analysis, hardness test, dimensional checking, other kind of properties tests if required, would be all done according to ASTM standard. We only deliver prime top quality 4140 steel plate material to our customer to avoid any quality failure and additional costs.

500 tons daily stock–enough stock sizes for fast delivery

Time is money. As reliable 4140 plate distributor, we stock lots of sizes. It ranges form 3mm to 300mm 4140 plate thickness (1/8 inch to 12 inch). There is width of 2000 to 2300mm and random length, for fast delivery. Usually for order quantity less than 100 tons, it takes 5-7 days to get prepared for loading. If you would need cut to size and delivery flat bar, it takes a little longer to prepare, but within 15-25 days around.

Different condition of 4140 plate available–hot rolled / annealed / Q&T

We have enough 4140 hot rolled plate in stock for different sizes. However, if you need 4140 annealed plate or 4140 quenched and tempered plate (Q&T), we could also arrange heat treat and delivery heat treated 4140 plate with desired hardness and properties. Actually, this is beyond the expectation for one 4140 flat bar distributor.

Deliver finished or semi finished 4140 ground plate

We are equipped to do milling machining and polishing machining, to achieve desired tolerance of size. We are able to deliver 4140 gorund plate directly. As here the labour cost and mass production cost are lower, we could save the final cost for you.

If there is new request of 4140 plate or flat bar, Otai will be your reliable choice without doubt. Contact us anytime.