8620H
价格:9000.00
钢的质量铁的信誉,上海誉徽期待着与您的合作销售电话:18930026003(小吴)021-66790261................................8620HΦ108620HΦ158620HΦ208620HΦ228620HΦ258620HΦ308620HΦ358620HΦ408620HΦ458620HΦ508620HΦ558620HΦ608620HΦ658620HΦ708620HΦ758620HΦ808620HΦ858620HΦ908620HΦ958620HΦ1008620HΦ1108620HΦ1208620HΦ1308620HΦ1408620HΦ1508620HΦ1608620HΦ1708620HΦ1808620HΦ1908620HΦ200..............................合金结构钢:8620H执行标准:ASTMA29/A29M-04化学成分:碳C:0.18~0.238620h硅Si:0.15~0.35锰Mn:0.70~0.90硫S:允许残余含量≤0.035磷P:允许残余含量≤0.035铬Cr:0.40~0.60镍Ni:0.40~0.70铜Cu:允许残余含量≤0.030钼Mo:0.15~0.25力学性能抗拉强度σb(MPa):≥980(100)屈服强度σs(MPa):≥785(80)伸长率δ5(%):≥9断面收缩率ψ(%):≥40冲击功Akv(J):≥47冲击韧性值αkv(J/cm2):≥59(6)硬度:≤197HB试样尺寸:试样毛坯尺寸为15mm)