GMX 811-K2M

AWS規範A5.36M E551T1M21-A6-K2A5.36 E81T1-M21A8-K2 JIS規範Z3313 T556T1-1MA-N3-U-H5 ISO規範17632 A-T46 6 1.5Ni P M21 1 H5

GMX ...