630钢板,630钢丝,630钢带,630钢棒,630直条
Cr20Ni80| Cr15Ni60-镍基合金-耐蚀合金
AISI 420钢材||420S钢板|440C钢板
0Cr18Ni13Si4【310S】进口耐热钢板
AISI 440C-】进口420SS钢板
420SS耐热钢;批发:430SS塑胶模具用钢