20CrNiMo圆钢上海最佳供应商20CrNiMo合金钢

20CrNiMo因含有钼除了有很好综合性能外还能耐一定温度。用于制造汽轮机的齿轮整转子内燃机连杆汽门截面锻件等。
20CrNiMo化学成分
20CrNiMo质量分数（%）：
20CrNiMo碳 C ：0.17～0.23
20CrNiMo硅 Si：0.17～0.37
20CrNiMo锰 Mn：0.60～0.95
20CrNiMo硫 S ：允许残余含量≤0.035
20CrNiMo磷 P ：允许残余含量≤0.035
20CrNiMo铬 Cr：0.40～0.70
20CrNiMo镍 Ni：0.35～0.75
20CrNiMo铜 Cu：允许残余含量≤0.30 
20CrNiMo钼 Mo：0.20～0.30
20CrNiMo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)布氏硬度（HBS100/3000）（退火或高温回火状态）：≤197
上海彤轩特殊钢有限公司是一家专业经销特殊钢的大型钢贸企业，地处国际金融，贸易，航运中心——上海，总部位于市场配套成熟，交通辐射面广的大柏树商圈，毗邻宝钢，交通物流十分便利。
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