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40CrNi3MoA

2020-12-07 09:54:41 Su Taicheng

40CrNi3MoA It is a high purity alloy structural steel bar for aviation .
40CrNi3MoA perform GJB/6478-2008 standard , This standard specifies the material composition 、 performance 、 purpose 、 Smelting method 、 Delivery status 、 Heat treatment specification, etc .
40CrNi3MoA Smelting process : Electric furnace + Secondary refining or electric arc furnace + Electroslag remelting .
40CrNi3MoA Chemical element content (%):
carbon C:0.36~0.44; silicon Si:0.1~0.35; manganese Mn:0.45~0.7; phosphorus P:- 0.025; sulfur S:- 0.02; chromium Cr:0.5~0.8; nickel Ni:2.3~2.8; copper Cu:- 0.2; molybdenum Mo:0.45~0.65.
40CrNi3MoA High purity alloy structural steel bars for aviation can be used √189→1708→1101 rolling 、 Forged round bar φ10mm-φ150mm.image

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