Welding SA709 Gr 50 carbon steel plate sheet steel properties

It is very important for an enterprise to have a sound after-sales service system, which not only ensures the normal outflow and inflow of the company's products, but also improves the trust of the company's products in the hearts of customers. Our company has a special after-sales service team and good after-sales service reputation. In case of any problem in the use of our steel products SA709 Gr 50 carbon steel plate sheet , whether quality problem or not, the after-sales service department will assist in solving the problem as soon as possible, and regularly consult and track the use of the steel products.

P355NL1 steel tensile strength Rm:630-450MPa.If high demands are made on notch impact strength and aging resistance. It is mainly used in steam boiler and pressure vessel construction. SA709 Gr 50 carbon steel plate sheet, P355NL1 plates can be processed with all known welding methods. Welding is possible both with the machine and by hand. Preheating is usually not necessary unless the outside temperature is below 5°C. Then preheating to about 150°C is recommended.

Heat treatment specification and microstructure of SA709 Gr 50 carbon steel plate sheet, 12Cr1MoV alloy plate:Heat treatment specification: quenching 970 ℃, air cooling; tempering 750 ℃, air cooling. Microstructure: bainite + ferrite.Mechanical properties of 12Cr1MoV alloy plate:Tensile strength σb (MPa)：≥490(50); Yield strength σs (MPa)：≥245(25); Elongation δ5 (％)：≥22; area shrinkage ψ (%): ≥ 50; Impact energy Akv (J): ≥ 71; Impact toughness value αkv (J/cm2)：≥88(9).

After twenty years of efforts, the company has completed the steel plates production process and complete testing equipment from smelting, rolling, drawing, heat treatment to SA709 Gr 50 carbon steel plate sheet full material. Large-scale production, intensive, and unremitting research and development and innovation make our products maintain long-term vitality. In early 2008, the company established the Ministry of foreign trade, and our SA709 Gr 50 carbon steel plate sheet steel plate products are now exported to the South Asia, the Middle East, Europe and the United States.

With a high-quality and complete after-sales service system, the company solves the user's hindrance and improves the reliability of steel SA709 Gr 50 carbon steel plate sheet product quality. Reaching every corner of the globe with professional services, users anywhere can get thoughtful and detailed services form us is our pursue. We promise all our steel materials are manufactured and tested in accordance with responding standards. We will take full responsibility for the quality of the steel materials we provide.

Company tenet: first class quality and service to create corporate brand.Business philosophy: people-oriented, innovation, continuous improvement, the pursuit of excellence. Quality policy: carry forward the quality spirit, build a perfect quality management system, and put the quality strategy into every detail of the company's daily work.Environmental policy: waste reduction and pollution prevention, continuous improvement, and environmental protection.