ASTM A985/A985M-26
求助一份标准,ASTM A985/A985M-26 Standard Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts
14MaoSir2026-07-22#国外材料交流区
IACS UR W1 2021
Material and welding for ships carrying liquefied gases in bulk and ships using gases or other low-flashpoint fuels
14HHXCBA2026-07-26#焊接交流