产品名称：合金结构钢产品型号：40CrNi2Mo标准：GB/T3077-1988化学成份：碳C：0.37～0.45硅Si：0.15～0.35锰Mn：0.50～0.80硫S：允许残余含量≤0.030磷P：允许残余含量≤0.025铬Cr：0.60～0.90镍Ni：1.25～1.65铜Cu：允许残余含量≤0.025钼Mo：0.15～0.25力学性能：抗拉强度σb(MPa)：≥980(100)屈服强度σs(MPa)：≥835(85)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)硬度：≤269HB试样尺寸：试样毛坯尺寸为25mm热处理规范及金相***：热处理规范：淬火850℃,油冷;回火600℃,水冷、油冷。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。圆钢规格40CrNi2MoΦ20合结钢40CrNi2MoΦ21合结钢40CrNi2MoΦ22合结钢40CrNi2MoΦ23合结钢40CrNi2MoΦ24合结钢40CrNi2MoΦ25合结钢40CrNi2MoΦ26合结钢40CrNi2MoΦ27合结钢40CrNi2MoΦ28合结钢40CrNi2MoΦ30合结钢40CrNi2MoΦ32合结钢40CrNi2MoΦ35合结钢40CrNi2MoΦ38合结钢40CrNi2MoΦ40合结钢40CrNi2MoΦ42合结钢40CrNi2MoΦ45合结钢40CrNi2MoΦ48合结钢40CrNi2MoΦ50合结钢40CrNi2MoΦ52合结钢40CrNi2MoΦ55合结钢40CrNi2MoΦ60合结钢40CrNi2MoΦ65合结钢40CrNi2MoΦ70合结钢40CrNi2MoΦ75合结钢40CrNi2MoΦ80合结钢40CrNi2MoΦ85合结钢40CrNi2MoΦ90合结钢40CrNi2MoΦ95合结钢40CrNi2MoΦ100合结钢40CrNi2MoΦ105合结钢40CrNi2MoΦ110合结钢40CrNi2MoΦ115合结钢40CrNi2MoΦ120合结钢40CrNi2MoΦ125合结钢40CrNi2MoΦ130合结钢40CrNi2MoΦ140合结钢40CrNi2MoΦ145合结钢40CrNi2MoΦ150合结钢40CrNi2MoΦ155合结钢40CrNi2MoΦ160合结钢40CrNi2MoΦ165合结钢40CrNi2MoΦ170合结钢40CrNi2MoΦ175合结钢40CrNi2MoΦ180合结钢40CrNi2MoΦ185合结钢40CrNi2MoΦ190合结钢40CrNi2MoΦ195合结钢40CrNi2MoΦ200合结钢40CrNi2MoΦ210合结钢40CrNi2MoΦ220合结钢40CrNi2MoΦ230合结钢40CrNi2MoΦ240合结钢40CrNi2MoΦ250合结钢40CrNi2MoΦ260合结钢40CrNi2MoΦ270合结钢40CrNi2MoΦ280合结钢)