不锈钢新旧焊丝牌号对照

旧国标新国标日标欧盟标准奥氏体不锈钢11Cr17Mn6Ni5N12Cr17Mn6Ni5NSUS2011.4372 HYPERLINK "http://___.tobewii.com/post/42.h

腾讯文库不锈钢新旧焊丝牌号对照