JIS G 4105 SCM420 Seamless Steel Pipes

SCM420 is categorized under the JIS G 4105 standard. The JIS G 4105-compliant SCM420 seamless steel pipe is renowned for its exceptional hardenability and resistance to temper brittleness. It boasts outstanding welding capabilities, minimal susceptibility to cold crack formation, and the ability to deliver excellent processing and cold plastic deformation characteristics. This steel variant finds its primary application in the realm of mechanical structural steel during hot forming processes, which encompass hot rolling and forging. Typically, it undergoes additional treatments such as forging, cutting, and heat treatment to fulfill its intended purpose. Read on to learn more about JIS G 4105 SCM420 seamless steel pipes.

Specifications of JIS G 4105 SCM420 Seamless Steel Pipes:

Equivalent material: 20CrMo , 25CrMo4 (1.7218), 40CrNiMoA , 4340 , 817M40 ,816M40

Percentage reduction of area:≥50

Impact (J/cm2):≥78

Hardness :≤197HB

Heat treatment:  

• Annealing: furnace cooling at 830℃

• Normalization: air cooling at room temperature of 830~880℃

• Quenching: 830~880℃oil cooling

• Tempering: 530~630℃rapid cooling

Delivery condition: By heat treatment (normalizing, annealing, quenching and high temperature tempering) or heat treatment state delivery, delivery status should be indicated in the contract

Chemical Composition of JIS G 4105 SCM420 Seamless Steel Pipes:

Mechanical Properties of JIS G 4105 SCM420 Seamless Steel Pipes:

Union Steel Industry is a reputable manufacturer and supplier of steel pipes in accordance with the JIS G4051 standard from China. Our expertise lies in the production and distribution of top-tier SCM420 Steel Pipes, adhering to stipulated delivery conditions and meeting the exact requirements of our industrial and commercial clients. We are open to discussing custom sizes and addressing delivery concerns. Additionally, our purchasing department can provide a diverse array of grade alternatives for your consideration. We welcome you to get in touch with us today to explore the possibilities!