Sonderstähle
DIN identification Material
no.
Chemical composition (Mean values)
Other
Alloy
 type
Material
type
C
Si
Mn
Cr
Mo
Ni
V
W
(X20 WCr10-3) 1.2581 X2
0.20
0.15
0.30
3.00
---
0.70
0.45
10.0
---
RBD
 Roller bearing steel;
Aviation
80MoCrV42-16 1.3552
0.80
---
---
4.00
4.25
---
1.00
---
---
M50
 Roller bearing steel;
Aviation
X3CrNiMo13-4 1.4313
0.03
---
---
13.0
---
4.00
---
---
---
13-4
 Soft martensitic
steel
X3CrNiMoAI13-8-2 1.4534
0.04
---
---
12.8
2.25
8.00
---
---
1.0 AI
PH13-8 Mo
 Stainess precipitation
hardener
X5CrNiCuNb17-4-4 1.4548
0.05
---
---
16.5
---
4.00
---
---
4.0 Cu,
Nb
17-4 PH
 Stainess precipitation
hardener
1.4914 X2
0.16
0.25
0.37
12.5
< 0.50
2.00
---
2.70
---
Greek
Ascoloy
 Elevated temperature
steel
X12CrNiMo12 1.4939
0.10
< 0.15
0.75
11.5
1.75
2.30
0.35
---
N
Jethete
M 152
 Elevated temperature
steel
X6NiCrTiMoVB25-12-2 1.4944
0.06
---
---
15.0
1.25
25.5
0.30
---
2.1 Ti,
AI
A 286
 Elevated temperature
steel
X2NiCoMo18-8-5 1.6359
< 0.03
< 0.10
< 0.10
---
4.90
18.0
---
---
7.8 Co,
Ti, AI
NiCoMo
250
 High-strength
maraging steel
X2NiCoMoTi18-12-4 1.6356
<0.03
< 0.10
< 0.10
---
4.00
18.0
---
---
12 Co,
Ti, AI
NiCoMo
350
 High-strength
maraging steel
14CrMoV6-9 1.7734
0.15
< 0.20
0.95
1.35
0.90
---
0.25
---
---
---
 High-strength
steel
(48CrMoNiV4-10) 1.6944 X2
0.48
0.20
0.80
1.10
1.00
0.55
0.12
---
---
D6 AC
 High-strength
steel
Additional grades on request

Nickel- und Kobaltlegierungen
DIN identification Material
no.
Chemical composition (Mean values)
Other
Alloy-Typ
C
AI
Co
Cr
Fe
Mo
Nb
Ni
Ti
NiCr20Co18Ti 2.4632
0.04
1.50
18.0
19.5
< 1,50
---
---
Rest
2.50
---
90
NiCr20Co13Mo4Ti3AL 2.4654
0.04
1.40
13.5
19.5
< 2.00
4.25
---
Rest
3.05
B
Waspaloy
NiCr23Co12Mo 2.4663
0.06
1.00
12.0
23.0
< 1.00
9.00
---
Rest
< 0.60
---
617
NiCr19Fe19Nb5Mo3 2.4668
0.04
0.60
---
18.5
Rest
3.05
5.20
51.5
0.90
B
718
NiCr15Fe7TiAL 2.4669
0.04
0.70
---
15.5
7.00
---
0.95
< 70.0
2.50
---
X 750
NiCr 15 Fe 2.4816
0.10
0.20
---
15.5
8.00
---
---
< 72.0
0.20
---
600
CoCr 20 W 15 Ni 2.4964
0.10
---
Rest
20.0
< 3.00
---
---
10.0
---
15 W
Hs 25
CoCr20Ni20W 2.4989
0.35
---
< 40.0
20.0
< 5.00
4.00
4.00
20.0
---
4 W
S 816