Analyzing the Mechanical Properties of 4140 Steel Plate
When it comes to robust steel that means business, 4140 steel is the ultimate choice. It’s the preferred option for projects demanding unparalleled strength and durability. This article delves into the characteristics that define 4140 steel, how its properties are determined, and why OTAI is the premier supplier for 4140 steel.
So, what exactly is 4140 Steel?
Think of it as the tough guy in your neighborhood—this low-alloy steel is enriched with chromium, molybdenum, and manganese, providing exceptional toughness and strength. Here are the specifications:
What is 4140 Steel?
4140 alloy steel is a low-alloy steel, packed with chromium, molybdenum, and manganese. These elements give it toughness and strength. Here’s the breakdown:
| ASTM | C | Si | Mn | Cr | Mo | P | S |
| 4140 | 0.38～0.43 | 0.15～0.35 | 0.75～1.00 | 0.80～1.10 | 0.15～0.25 | ≤0.035 | ≤0.040 |
Mechanical Strength of 4140 Steel
Understanding the capabilities of 4140 alloy is crucial for its proper application. Here’s an overview of its key attributes:
Tensile Strength: With a robust tensile strength ranging from 655 to 1020 MPa, 4140 steel is perfect for the most demanding tasks.
Yield Strength: Its yield strength is between 415 and 655 MPa, showing excellent resistance to permanent deformation.
Hardness: On the Brinell scale, 4140 alloy measures between 197 to 241, and with appropriate heat treatment, it becomes even more resilient, effectively handling wear and tear.
Impact Resistance: Thanks to its exceptional impact resistance, it withstands strong impacts without compromising performance.
Factors Affecting Performance
Various factors influence the performance of 4140 material:
Heat Treatment: Techniques like quenching and tempering are used to adjust its hardness and strength to meet specific requirements.
Machinability: It is relatively easy to work with but requires proper handling to preserve its properties.
Thickness: The strength characteristics can vary between thicker and thinner plates, necessitating careful selection based on project needs.
Why Choose OTAI’s 4140 Steel Plate?
Here’s why OTAI stands out as your preferred supplier:
Stock Availability: We maintain a stock of 10,000 tons of 4140 steel plates in sizes ranging from 10mm to 300mm, ensuring prompt delivery.
Cutting and Processing: Our precision cutting and shaping services cater to your exact specifications, minimizing material wastage.
Packaging: We ensure secure packaging to guarantee safe delivery, including options such as strap packaging and anti-rust measures.
Applications of 4140 alloy material
4140 steel finds extensive applications across various industries:
Automotive: Used in gears and crankshafts subjected to heavy-duty operations.
Oil and Gas: Essential for equipment and drilling rigs operating in harsh environments.
Construction: Ideal for durable structural components.
Manufacturing: From tools to machine parts, it withstands challenging conditions.
Real-World Example
A leading automotive manufacturer required gears capable of withstanding severe stress. They chose OTAI’s 4140 steel plates due to their durability and performance, which enhanced efficiency and reduced downtime.
Analyzing the Mechanical Properties of 4140 Steel Plate
Understanding the properties of 4140 steel is crucial for selecting the right material. With OTAI, you not only get superior quality and a readily available stock but also exceptional customer service. Whether you operate in automotive, oil and gas, construction, or manufacturing sectors, we offer the ideal steel material solution for your needs.
