化学成分: c:1.20~1.35 mn:≤0.40 si:≤0.45 s:≤0.030 p:≤0.030 cr:3.80~4.50 v:3.00~3.50 w:9.00~10.00 mo:3.20~3.90 co:9.50~10.50 上海珑模具钢材有限公司联系人:许先生手机:15601758202 13812956806 景小姐电话:021-59275086QQ:448385282邮箱:448385282@qq.com网址:www.shlongjimj.com