HSS SKH Steel Properties

Equivalent Grades

American
German
Japanese
China
(W.Nr)
(DIN)
(JIS G4403)
AISI M2
1.3343
HS6-5-2
SKH51
W6Mo5Cr4V2
AISI M35
1.3243
HS6-5-2-5
SKH55
W6Mo5Cr4V2Co5
AISI M42
1.3247
HS2-10-1-8
SKH59
W2Mo9Cr4VCo8
AISI T1
1.3355
HS18-0-1
SKH2
W18Cr4V
AISI T4
1.3255
HS18-1-2-5
SKH3
W18Cr4VCo5
AISI T5
1.3265
HS18-1-2-10
SKH4
W18Cr4VCo8
AISI T42
1.3207
HS10-4-3-10
SKH57

Chemical Composition (%)

 AISI
C
Si
Mn
Cr
Mo
V
W
Co
Ni
M2
0.78-0.88
0.20-0.40
0.20-0.40
3.75-4.50
4.50-5.50
1.60-2.20
5.50-6.75
M35
0.85-0.95
0.00-0.40
0.00-0.40
3.75-4.50
4.75-5.25
1.75-2.15
6.00-6.75
4.60-5.20
0.00-0.40
M42
1.05-1.15
0.15-0.65
0.15-0.40
3.50-4.25
9.00-10.00
0.95-1.35
1.15-1.85
7.75-8.75
 –
T1
0.65-0.75
0.20-0.40
0.20-0.40
3.75-4.50
 –
0.90-1.30
17.25-18.75
 –  –
T4
0.70-0.80
0.20-0.40
0.20-0.40
3.75-4.50
0.70-1.00
0.80-1.20
17.25-18.75
4.25-5.75
 –
T5
0.75-0.85
0.20-0.40
0.20-0.40
3.75-4.50
0.70-1.00
1.80-2.40
17.50-19.00
7.00-9.00
 –
T42
1.25-1.40
0.00-0.40
0.00-0.40
3.75-4.50
2.75-3.50
2.75-3.25
8.50-9.50
9.00-10.00
0.00-0.40