标准:GB/T 3079-93
30CrNi2MoVA钢是一种含钒的低合金高强度钢,适于制造截面厚度不大在高温回火后使用的零件,也常用于制造截面厚度小于50mm的高强度构件,可用于锻件加工,中国锻件网推荐。
30CrNi2MoVA化学成份:
30CrNi2MoVA碳C :0.18~0.2430CrNi2MoVA硅Si:0.10~0.50
30CrNi2MoVA锰Mn:0.30~0.80
30CrNi2MoVA硫S :≤0.025
30CrNi2MoVA磷P :≤0.030
30CrNi2MoVA铬Cr:11.00~12.5
30CrNi2MoVA镍Ni:0.30~0.60
30CrNi2MoVA钒V :0.25~0.35
30CrNi2MoVA钼Mo:0.80~1.20
30CrNi2MoVA铜Cu:≤030
30CrNi2MoVA力学性能:
30CrNi2MoVA抗拉强度σb(MPa):≥900~105030CrNi2MoVA屈服强度σ0.2(MPa):≥700
30CrNi2MoVA伸长率δ5(%):≥13
30CrNi2MoVA断面收缩率ψ(%):≥35
30CrNi2MoVA冲击功Akv(J):≥20
30CrNi2MoVA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,交货状态应在保质书中注明。
30CrNi2MoVA特性及用途:该钢用在540°以下工作的汽轮机叶片、围带、阀杆以及燃气轮机叶片
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