CC HSS gets high content of alloy element Cr, W, Mo, V, Nb. With the heat treatment, CC HSS gets special carbide, tempered martensite and troostite microstructure. The wear resistance and thermal stability of CC HSS are very excellent.
Grade
C
Si
Mn
Cr
Ni
Mo
V
W
B
Hardness(HS)
Tensile Strength(wpA)
HSS
1.50/2.20
0.30/1.00
0.40/1.20
3.00/8.00
0/1.50
2.00/8.00
0.20/9.0
6.8/8.0
-
60-90
>450
HB
2.00/2.50
0.40/1.00
0.20/0.80
17/22
0.50/1.00
1.30/2.00
0.20/1.0
-
0.08/0.2
60-90
>450
HSS and HB Material Composition and Performance Properties