牌号
Grade

密度
Density
g/cm³

抗弯强度
T.R.S
MPa

硬度
Hardness
HRA

使用性能及用途介绍
Performance & application recommended

近似国内牌号
Approx
Grades in
China

MK6A

14.9

1860

92.0

属细晶粒合金，其耐磨性较好，适用于制作成形刀，耐磨耗零部件等。
Fine grade alloy, with good wear resistance, used for processing blades, wear resistance parts etc.

YG6A

MK8

14.7

2320

89.5

具有较高的强度，耐磨性低于MK6A，适用于制作成形刀，耐磨耗零部件等。
High bending strength, wear resistance lower than MK6A, used for processing blades, wear resistance parts etc.

YG8

MK15

14.0

2500

87.5

适于制作冲压模具，耐磨耗零部件等。
Used for punch dies, stamping dies and wears resistance parts.

YG15

MG20

13.5

2800

85.5

具有较高的强度，适于制作级进模等冲压模具。
High bending strength, used for step dies and other stamping dies.

YG20