结钢,碳结钢,模具钢,轴承钢,工具钢,弹簧钢,齿轮钢,冷拉圆钢,热扎圆钢,锻制圆钢.
圆钢材质有;8#,10#,15#,20#,25#,30#,35#,45#,20Cr,35Cr,40Cr,45Cr,50Cr,15Mn,16Mn(Q345B),50Mn,65Mn,
Q235B(A3) 15CrMo,20CrMo,35CrMo,42CrMo,5CrMnMo,38CrMoAL,YF45MnV, Cr12
Cr12MoV,Gr15,40Mn2,45Mn2,60Si2Mn,20CrMnTi,20MnTiB,ML35,T8A,T9A,T10A,T11A
T12A,T13A,3Cr2W8V,20CrMnMo,40CrMnMo,20CrNiMo,27SiMn…..
40CrNiMo合金圆钢、合金钢 40CrNiMo力学性能:[1] 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Mn 0.50~0.80,硫S允许残余含量≤0.025,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.[2]