7CrSiMnMoV冷作模具钢CH-1钢
3Cr2W8V模具钢3Cr2..
7CrSiMnMoV冷作模具..
SKD61热作模具钢SKD6..
NAK80塑料模具钢NAK8..
S136毛料S136扁钢S1..
H13扁钢H13圆钢H13规格