Home / Standards / GB 1954-80 GB 1954-80 Method for measuring ferrite content in chromium-nickel austenitic stainless steel welds 铬镍奥氏体不锈钢焊缝铁素体含量测量方法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A