
SAE4340, same as UNS G43400. Tensile strength σb ≥980(100) Yield strength σs ≥835(85), used to manufacture important parts with high strength and good plasticity. After nitriding treatment, make important parts with special functional requirements, such as shafts, gears, and gears. Firmware etc. Delivery in heat treatment (normalizing, annealing or high temperature tempering) or without heat treatment.
A514 grade S high strength structural steel chemical composition (melting analysis)%C: 0.11-0.21, Si: 0.15-0.45, Mn: 1.10-1.50, P max.: 0.035, S max.: 0.035, B max.: 0.005, Mo: 0.10-0.60, V max.: 0.06.The mechanical properties in thickness (mm) T≤65Yield strength (≥Mpa): 690Tensile strength (Mpa):760-895Elongation in ≥,%: 18
After sales service support personnel pay attention to commitment in their work In the process of people to people communication, mutual trust is an important factor for the long-term and stable communication After sales service personnel must do what they say in the process of communication with customers,SG255 steel plate.
On Jan. 31, 2019, BBN steel held the annual meeting with all employees, family members, and friends. It is a moment of joyand it is a moment to summarize the past and look forward.Looking back on 2018, BBN steel exported more than 2 million tons of steel materials to all parts of the world and made outstanding contributions to infrastructure construction at home and abroad. In 2019, BBN steel will make persistent efforts and forge ahead.
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