S420NH材质,结构用管

执行标准：EN10210-1

牌号,S420NH

化学成分：,C：0.22,,,,Si：,0.6,,,,Mn：1.0-1.7,,,,P：,0.035,,,S：,0.03,,,,,Nb：,0.05,,,V：,0.2,,,,Al：,0.2,,,,,Ti：,0.03,,,,,,Cr：0.3,,,,,,,Ni：,0.8,,,,,,Mo：,0.1,,,,,Cu：,0.7,,,,N：,0.025,,

机械性能：,屈服度：390-420MPa,,,,抗拉强度：520-680MPa,,,,伸长率：17%-19%,,

用途：,机械结构用管

包装：管端坡口,

付款方式：预付全部金额的30%其余在装货前付清

http://www.hbbolanqi.com

,