【已应助】求AWS D15.1,AWS A5.1和AWS A5.5

Aws Standard a5.1-91; Specification For Carbon Steel Electrodes For Shielded Metal Arc Welding
AWS A5.1-91

Aws Standard a5.5-96; Specification For Low-Alloy Steel Electrodes For Shielded Metal Arc Welding
AWS A5.5-96

AWS D15.1
http://www.instrument.com.cn/show/download/shtml/064917.shtml
http://www.instrument.com.cn/show/download/shtml/064916.shtml

谢谢高卧东山，非常感谢！