MATERIAL
 No.
 CLASSIFICATION
STEEL TYPES RELATED TO FOREIGN STANDARDS
 HARDNESS
HRC
JIS
GB
AISI
DIN
ASSAB
DAIDO
P/M HIGH SPEED STEEL
ASP23
64 - 66
ASP30
65 - 67
 
1.3343
HIGH SPEED TOOL STEEL
SKH51
W6Mo5Cr4V2
M2
S6 - 5 - 2
KM2
MH51
62 - 64
1.3344
SKH55
W6Mo5Cr4V2Co5
S6 - 5 - 2 - 5
KM35
MH55
63 - 65
 
1.2379
ALLOY TOOL STEEL
SKD11
Cr12MoV
D2
2379
DC53
60 - 62
1.2842
SKS3
9GrWMn
02
2842
DF - 2
GOA
55 - 58
 
1.2344
HOT WORK TOOL STEEL
SKD61
4Cr5MoSiV
H13
2344
8407
DHA1
48 - 52
 
1.1545
HIGH CARBON TOOL STEEL
SK3
02
C105W1
DF - 2
50 - 55
SK4
T9/T10
W1 - 9
C85W1
 
CARBON STEEL
S45C
45Mn
1045
1046
CK45
C45
 
CHROME MOLYBDENUM STEEL
SCM4
3Cr2Mo
P20
2311
618
PX4/PX5
 
HIGH CARBON CHROME BEARING STEEL
SUJ2
GCr15
52100
100Cr6
 
STAINLESS STEEL
SUS303
AISI303
X10CrNiS189
SUS304
AISI304
X5CrNiS1810
SUS316
AISI316
X5CrNiMo17122