40CrNiMo合金钢40CrNiMo圆棒、板材、簿板、中板40CrNiMo用途40CrNiMo成分40CrNiMo性能40CrNiMo价格40CrNiMo力学性能：抗拉强度σb(MPa)≥980(100),伸长率δ5(%)≥12,断面收缩率ψ(%)≥55,冲击功Akv(J)≥78,冲击韧性值αkv(J/cm2)≥98(10)40CrNiMo热处理规范：淬火850℃,油冷;回火600℃,水冷、油冷。40CrNiMo交货状态：以热处理（正火、退火或高温回火）或不热处理状态交货，交货状态应在合同中注明。40CrNiMo成分:40CrNiMo含锰Mn0.50～0.80,硫S允许残余含量≤0.025,磷P允许残余含量≤0.025,铬Cr0.60～0.90,镍Ni1.25～1.65,铜Cu允许残余含量≤0.025,钼Mo0.15～0.25.http://)