|
|
ASTM A276 A473 TP 420 Batang baja tahan karat 20Cr132025-08-18 08:43:10 |
|
|
ASTM Standard F11 P11 T11 12Cr1MoV Hot Rolled Alloy Steel Plate Ketebalan 6mm2026-03-09 08:33:11 |