Category Archives: Blog

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. Otai’s 4140 alloy steel supplier: we keep a daily inventory of 1000 tons which is hard for competitors.

4140 alloy steel supplier: the steel has good workability, machining deformation of small, anti-fatigue performance is quite good.

On the hardenability of steel, 4140 heat treatment has good strength and good comprehensive mechanical properties, good manufacturability, high yield. The highest temperature is 427 degrees Celsius. 4140 strength, high hardenability, and good toughness, quenching deformation of small, high temperature creep rupture strength, and high. It is used for manufacturing forgings with higher strength and larger tempering cross-section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, also can be used for drilling pipe joint and fishing tool of oil deep well below 2000m, and can be used for bending machine mold, etc.

4140 steel plate’s inquiry from Colombia

We would like to share a real case of our customer with you. Leo from Colombia sent us an inquiry for 4140 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. Otai’s 4140 plates steel supplier: we keep a daily inventory of 1000 tons which is hard for competitors.

4140 plates steel supplier: the steel has good workability, machining deformation of small, anti-fatigue performance is quite good.

On the hardenability of steel, 4140 heat treatment has good strength and good comprehensive mechanical properties, good manufacturability, high yield. The highest temperature is 427 degrees Celsius. 4140 strength, high hardenability, and good toughness, quenching deformation of small, high temperature creep rupture strength, and high. It is used for manufacturing forgings with higher strength and larger tempering cross-section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, also can be used for drilling pipe joint and fishing tool of oil deep well below 2000m, and can be used for bending machine mold, etc.

Customer’s story

We would like to share a real case of our customer with you. Leo from Colombia sent us an inquiry for 4140 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. Otai’s 4140 pre hard plates on sale: we keep a daily inventory of 1000 tons which is hard for competitors.

4140 pre hard plates: the steel has good workability, machining deformation of small, anti-fatigue performance is quite good.

On the hardenability of steel, 4140 heat treatment has good strength and good comprehensive mechanical properties, good manufacturability, high yield. The highest temperature is 427 degrees Celsius. 4140 strength, high hardenability, and good toughness, quenching deformation of small, high temperature creep rupture strength, and high. It is used for manufacturing forgings with higher strength and larger tempering cross-section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, also can be used for drilling pipe joint and fishing tool of oil deep well below 2000m, and can be used for bending machine mold, etc.

Customer’s story

We would like to share a real case of our customer with you. Leo from Colombia sent us an inquiry for 4140 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. Otai’s 4140 hot rolled plates on sale: we keep a daily inventory of 1000 tons which is hard for competitors.

4140 hot rolled plates: the steel has good workability, machining deformation of small, anti-fatigue performance is quite good.

On the hardenability of steel, 4140 heat treatment has good strength and good comprehensive mechanical properties, good manufacturability, high yield. The highest temperature is 427 degrees Celsius. 4140 strength, high hardenability, and good toughness, quenching deformation of small, high temperature creep rupture strength, and high. It is used for manufacturing forgings with higher strength and larger tempering cross-section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, also can be used for drilling pipe joint and fishing tool of oil deep well below 2000m, and can be used for bending machine mold, etc.

Customer’s story

We would like to share a real case of our customer with you. Leo from Colombia sent us an inquiry for 4140 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

SKS3 cold work tool steel -What are the SKS3 cold work tool steel’s mechanical properties

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. SKS3 cold work tool steel belongs to the carbon alloy tool steel.

SKS3 tool steel is a high-quality cold work tool steel. It belongs to the high-quality high carbon alloy tool steel.

Oil quenched & tempered hardenss is 28-34 HRC. SKS3 steel Annealing delivery hardenss less than 250HB.

SKS3 steels are mainly used for short-run tooling for cold forming dies, blanking dies, and cutting tools operating at ambient temper.

SKS3 tool steel typical applications include medium run dies and intricate press tools. Also include drawing punches, broaches, bushings, and lathe centers. Including chuck jaws, master cavity sinking hobs, and paper cutting machine knives. Including plug gauges, thread gauges, and precision measuring tools. Also commonly used in applications such as cams, cloth cutting knives, and cold taps. Including reamers, collets, cutting hobs, strip slitting cutters, trimmer dies. Including tube expander rolls, plastic molds, and woodworking knives.

Customer’s story

We would like to share a real case of our customer with you. Leo from Chile sent us an inquiry for SKS3 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. Otai’s 42CrMo4 tool steel plates on sale: we keep a daily inventory of 1000 tons which is hard for competitors.

42CrMo4 tool steel plates on sale, the steel has good workability, machining deformation of small, anti-fatigue performance is quite good.

On the hardenability of steel, 42CrMo4 heat treatment has good strength and good comprehensive mechanical properties, good manufacturability, high yield. The highest temperature is 427 degrees Celsius. 42CrMo4 strength, high hardenability, and good toughness, quenching deformation of small, high temperature creep rupture strength, and high. It is used for manufacturing forgings with higher strength and larger tempering cross-section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, also can be used for drilling pipe joint and fishing tool of oil deep well below 2000m, and can be used for bending machine mold, etc.

Customer’s story

We would like to share a real case of our customer with you. Leo from Chile sent us an inquiry for 42CrMo4 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. Otai’s 4140 tool steel plates on sale: we keep a daily inventory of 1000 tons which is hard for competitors.

4140 tool steel plates on sale, the steel has good workability, machining deformation of small, anti-fatigue performance is quite good.

On the hardenability of steel, 4140 heat treatment has good strength and good comprehensive mechanical properties, good manufacturability, high yield. The highest temperature is 427 degrees Celsius. 4140 strength, high hardenability, and good toughness, quenching deformation of small, high temperature creep rupture strength, and high. It is used for manufacturing forgings with higher strength and larger tempering cross-section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, also can be used for drilling pipe joint and fishing tool of oil deep well below 2000m, and can be used for bending machine mold, etc.

Customer’s story

We would like to share a real case of our customer with you. Leo from Chile sent us an inquiry for 4140 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. Otai’s 4140 alloy steel plates on sale: we keep a daily inventory of 1000 tons which is hard for competitors.

4140 alloy steel plates on sale, the steel has good workability, machining deformation of small, anti-fatigue performance is quite good.

On the hardenability of steel, 4140 heat treatment has good strength and good comprehensive mechanical properties, good manufacturability, high yield. The highest temperature is 427 degrees Celsius. 4140 strength, high hardenability, and good toughness, quenching deformation of small, high temperature creep rupture strength, and high. It is used for manufacturing forgings with higher strength and larger tempering cross-section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, also can be used for drilling pipe joint and fishing tool of oil deep well below 2000m, and can be used for bending machine mold, etc.

Customer’s story

We would like to share a real case of our customer with you. Jorge from Brazil sent us an inquiry for 4140 steel plates. Due to the impact of COVID-19, ocean freight has skyrocketed. The customer did not want to place an order for a long time and hoped that the sea freight would be cheaper in the future. But in fact, ocean freight is getting more expensive day by day, and ocean freight has tripled within a month. Here we suggest that if there is a demand for steel, please contact us for purchase as soon as possible, so as not to affect your purchase budget due to excessive shipping costs.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

1.2379 cold work tool steel -What is the 1.2379 tool steel’s mechanical properties?

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. 1.2379 tool steel, we can supply the round bar, flat bar, plate, and square block.

1.2379 is a high carbon high chromium alloy tool steel that offers great wear and abrasion resistance, due to the large volumes of carbides in its microstructure.

It is widely used in long production cold work applications requiring very high wear resistance and high compression strength. 1.2379 cold work tool steel is machinable in its annealed condition, and like other air-hardening tool steels, shows minimal distortion when treated with heat. 1.2379 Tool Steel is available in rounds, flats, and squares, as well as ground flat stock and drill rod.

1.2379 cold work steel used for cutting, shaping and pruning is dead, gauge, longitudinal cutting knife, wearing parts, the texture is dead, thread rolling, drawing die, the rotary die cutter, knurling, bending modulus, gauge, the shear blade, polishing tools, volume, machine parts and control parts, injection screw and prompt components, sewing, extrusion die, tire shredder, etc.

Customer’s story

We would like to share a real case of our customer with you. Brian from the UK sent us an inquiry for 1.2379 steel plates. As time is tight, he needs to receive the goods within 45 days. That’s no problem for us because we keep a daily inventory of 1000 tons. After the customer placed his order, we have prepared his 1.2379 steel plates to ready the next day. We also assisted the customer to find the fastest delivery, and the goods were delivered to the customer in 45 days.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.

SKS3 cold work tool steel -What are the SKS3 cold work tool steel’s mechanical properties

With over 20 years’ pre-sales and after-sales special steel, Otai helps distributors and end-users to avoid all possible swindle and cheat. Our steel materials meet DIN / ASTM / EN / JIS etc different international standards. SKS3 cold work tool steel is a high-quality Cold work tool steel, It belongs to the high-quality high carbon alloy tool steel.

SKS3 tool steel is a high-quality cold work tool steel, It belongs to the high-quality high carbon alloy tool steel.

Oil quenched & tempered hardenss is 28-34 HRC. SKS3 steel Annealing delivery hardenss less than 250HB.

SKS3 steels are mainly used for short-run tooling for cold forming dies, blanking dies, and cutting tools operating at ambient temper.

SKS3 tool steel typical applications include medium run dies and intricate press tools. Also include drawing punches, broaches, bushings, and lathe centers. Including chuck jaws, master cavity sinking hobs, and paper cutting machine knives. Including plug gauges, thread gauges, and precision measuring tools. Also commonly used in applications such as cams, cloth cutting knives, and cold taps. Including reamers, collets, cutting hobs, strip slitting cutters, trimmer dies. Including tube expander rolls, plastic molds, and woodworking knives.

Customer’s story

We would like to share a real case of our customer with you. Dave from Pakistan sent us an inquiry for SKS3 steel plates. As time is tight, he needs to receive the goods within 45 days. That’s no problem for us because we keep a daily inventory of 1000 tons. After the customer placed his order, we have prepared his SKS3 steel plates to ready the next day. We also assisted the customer to find the fastest delivery, and the goods were delivered to the customer in 45 days.

8 consecutive years no quality event complain, over 80% repeat order rate. Otai undertakes every order to end and solve customer’s problems without any hesitation on responsibility. When customized special steel is hard to get, Otai settles satisfactorily completely.