HEAT TREATABLE STEELS EN 10083-1
 

Steel Code

Chemical Composition, weight %
Name No C
%
Si
%
Mn
%

≤%

≤%
Cr
%
Mo
%
Ni
%
 Other
%
C22  1.0402 0.17-
0.24 
≤ 0.40  0.40-
0.70 
0.045 0.045   ≤ 0.40  ≤ 0.10  ≤ 0.40 Cr+Mo+
Ni
0.63
C25  1.0406 0.22-
0.29
≤ 0.40 0.40-
0.70
0.045 0.045 ≤ 0.40  ≤ 0.10  ≤ 0.40  Cr+Mo+
Ni
0.63
C35  1.0501 0.32-
0.39 
 0.40  0.50-
0.80
0.045 0.045 ≤ 0.40  ≤ 0.10  ≤ 0.40  Cr+Mo+
Ni
0.63
C45 1.0503 0.42-
0.50
 0.40  0.50-
0.80
0.045 0.045 ≤ 0.40  ≤ 0.10  ≤ 0.40  Cr+Mo+
Ni
0.63
C40 1.0511 0.37-
0.44
 0.40  0.50-
0.80
0.045 0.045 ≤ 0.40  ≤ 0.10  ≤ 0.40 Cr+Mo+
Ni
0.63
C30 1.0528 0.27-
0.34
 0.40  0.50-
0.80
0.045 0.045 ≤ 0.40  ≤ 0.10  ≤ 0.40 Cr+Mo+
Ni
0.63
C65 1.0535 0.52-
0.60
 0.40  0.60-
0.90
0.045 0.045 ≤ 0.40  ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C50 1.0540 0.47-
0.55
 0.40  0.60-
0.90
0.045 0.045 ≤ 0.40  ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C60 1.0601 0.57-
0.65
 0.40  0.60-
0.90
0.045 0.045 ≤ 0.40  ≤ 0.10 ≤ 0.40 Cr+Mo-
Ni
0.63
20Mn5 1.1133 0.17-
0.23
 0.60 1.00-
1.50
0.035 0.030 ≤ 0.30 - - Al 0.015-0.050
C22E/Ck22
(1.1149)*
1.1151  0.17-
0.24
 0.40 0.40-
0.70
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
40Mn4 1.1157 0.36-
0.44
0.25-
0.50
0.80-
1.10 
0.035 0.035 - - - -
C25E/Ck25
(1.1163)*
1.1158 0.22-
0.29
 0.40 0.40-
0.70
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
30Mn5 1.1165 0.27-
0.34
0.15-
0.40 
1.20-
1.50 
0.035 0.035 ≤ 0.30 - - -
36Mn5 1.1167 0.32-
0.40
 0.40 1.20-
1.50
0.035 0.035 - - - -
28Mn6 1.1170 0.25-
0.32 
 0.40 1.30-
1.65 
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C30E/Ck30
(1.1179)*
1.1178 0.27-
0.34
≤ 0.40 0.50-
0.80
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C35E/Ck35
(1.1180)*
1.1181 0.32-
0.39 
 0.40 0.50-
0.80
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C40E/Ck40
(1.1189)*
1.1186 0.37-
0.44 
 0.40 0.50-
0.80
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C45E/Ck45
(1.1201)*
1.1191 0.42-
0.50 
 0.40 0.50-
0.80
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C55E/Ck55
(1.209)*
1.1203 0.52-
0.60 
 0.40 0.60-
0.90
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C50E/Ck50
(1.1241)*
1.1206 0.47-
0.55
 0.40 0.60-
0.90
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
C60E/Ck60
(1.1223)*
1.1221 0.57-
0.65
 0.40 0.60-
0.90
0.035 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 Cr+Mo+
Ni
0.63
90Mn4 1.1273 0.85-
0.95
0.25-
0.50
0.90-
1.10
0.035 0.035 - - - -
X120Mn12  1.3401 1. 10-
1.30
0.30-
0.50
12.0-
13.0
0.100 0.040 1.50 - - -
 44Cr2 1.3561 0.42-
0.48
 0.40 0.50-
0.80
0.025 0.035 0.40-
0.60
- - Cu0.30
43CrmO4 1.3563 0.40-
0.46
≤ 0.40 0.60-
0.90
0.025 0.035 0.90-
1.20
0.15-
0.30
- Cu0.30
48CrMo4 1.3565 0.46-
0.52
 0.40 0.50-
0.80
0.025 0.035 0.90-
1.20
0.15-
0.30
- Cu0.30
38MnSi4 1.5120 0.34-
0.42 
0.70-
0.90
0.90-
1.20
0.035 0.035 - - - -
46MnSi4 1.5121 0.42-
0.50
0.70-
0.90
0.90-
1.20
0.035 0.035 - - - -
37MnSi5 1.5122 0.33-
0.41
0.33-
0.41
1.10-
1.40
0.035 0.035 - - - -
50MnSi4 1.5131 0.45-
0.53
0.45-
0.53
0.90-
1.20
0.035 0.035 - - - -
53MnSi4 1.5141 0.50-
0.57
0.50-
0.57
0.80-
1.20
0.035 0.035 - - - -
42MnV7 1.5223 0.38-
0.45
0.15-
0.35
1.60-
1.90
0.035 0.035 - - - V0.07-
0.12
36NİCr6 1.5710 0.32-
0.40
0.15-
0.35
0.40-
0.80
0.035 0.035 0.30-
0.70
- 1.25-
1.75
-
36NİCr10 1.5736 0.32-
0.40
0.15-
0.35
0.40-
0.80
0.035 0.035 0.55-
0.95
- 2.25-
2.75
-
31NİCr14 1.5755 0.27-
0.35
0.15-
0.35
0.40-
0.80
0.035 0.035 0.55-
0.95
- 3.25-
3.75
-
35NİCr18 1.5864 0.30-
0.40
0.15-
0.35
0.40-
0.80
0.035 0.035 0.10-
1.50
- 4.25-
4.75
-
36CrNİMo4 1.6511 0.32-
0.40
 0.40 0.50-
0.80
0.035 0.035 0.90-
1.20
0.15-
0.30
0.90-
1.20
-
28CrNİMo4 1.6513 0.24-
0.34
0.15-
0.40
0.30-
0.60
0.035 0.035 1.00-
0.30
0.20-
0.30
1.00-
1.30
-
30CrNİMo8 1.6580 0.26-
0.34
 0.40 0.30-
0.60
0.035 0.035 1.80-
2.20
0.30-
0.50
1.80-
2.20
-
34CrNİMo6 1.6582 0.30-
0.38
 0.40 0.50-
0.80
0.035 0.035 1.30-
1.70
0.15-
0.30
1.30-
1.70
-
22NİMoCr4-7 1.6755 0.17-
0.27
 0.40 0.50-
1.00
0.035 0.035 0.30-
0.50
0.50-
0.80
0.60-
1.20
-
28NiCrMoV8-5 1.6932 0.24-
0.32
 0.40 0.15-
0.40
0.035 0.035 1.00-
1.50
0.35-
0.55
1.80-
2.10
V0.05-
0.15
33NiCrMo14-5 1.6956 0.28-
0.36
 0.40 0.15-
0.40
0.035 0.035 1.00-
1.70
0.30-
0.60
3.20-
4.00
V
0.15
38Cr2
(1.7023)*
1.7003 0.35-
0.42
 0.40 0.50-
0.80
0.035 0.035 0.40-
0.60
- - -
46Cr2
(1.7025)*
1.7006 0.42-
0.50
 0.40 0.50-
0.80
0.035 0.035 0.40-
0.60
- - -
32Cr2
(1.7021)*
1.7020 0.28-
0.35
 0.40 0.50-
0.80
0.035 0.035 0.40-
0.60
- - -
28Cr4
(1.7036)*
1.7030 0.24-
0.31
 0.40 0.60-
0.90
0.035 0.035 0.90-
1.20
- - -
34Cr4
(1.7037)*
1.7033 0.30-
0.37
 0.40 0.60-
0.90
0.035 0.035 0.90-
1.20
- - -
37Cr4
(1.7038)*
1.7034 0.34-
0.41
 0.40 0.60-
0.90
0.035 0.035 0.90-
1.20
- - -
41Cr4
(1.7039)*
1.7035 0.38-
0.45
 0.40 0.60-
0.90
0.035 0.035 0.90-
1.20
- - -
25CrMo4
(1.7213)*
1.7218 0.22-
0.29
 0.40 0.60-
0.90
0.035 0.035 0.90-
1.20
0.15-
0.30
- -
34CrMo4
(1.7226)*
1.7220 0.30-
0.37
 0.40 0.60-
0.90
0.035 0.035 0.90-
1.20
0.15-
0.30
- -
42CrMo4
(1.7227)*
1.7225 0.38-
0.45
 0.40 0.60-
0.90
0.035 0.035 0.90-
1.20
0.15-
0.30
- -
50CrMo4 1.7228 0.46-
0.54
 0.40 0.50-
0.80
0.035 0.035 0.90-
1.20
0.15-
0.30
- -
32CrMo12 1.7361 0.28-
0.35
 0.40 0.40-
0.70
0.035 0.035 2.80-
3.30
0.30-
0.50
- -
42CrV6 1.7561 0.38-
0.46
0.15-
0.35
0.50-
0.80
0.035 0.035 1.40-
1.70
- - V0.07-
0.12
30CrMoV9 1.7707 0.26-
0.34
 0.40 0.40-
0.70
0.035 0.035 2.30-
2.70
0.15-
0.25
- V0.10-
0.20
14CrMoV6 1.7735 0.11-
0.17
 0.25 0.80-
1.00
0.020 0.015 1.25-
1.50
0.80-
1.00
- V0.20-
0.30
51 CrV4/
50Crv4
1.8159 0.47-
0.55
 0.40 0.70-
1.10
0.035 0.035 0.90-
1.20
- - V0.10-
0.25
58CrV4 1.8161 0.55-
0.62
0.15-
0.40
0.70-
1.10
0.035 0.035 0.90-
1.20
- - V0.10-
0.20

 

*If these steels are produced with a sulphur content of 0.020 - 0.040% , the symbol should be shown as C22R or Cm22 or by adding the letter S (e.g. 32CrS2 )

 

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