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HEAT TREATABLE STEELS EN 10083-1
 

Steel Code

 Chemical Composition, weight %
Name No C
%		 Si
%		 Mn
%		 P 
≤%		 S 
≤%		 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		 - - Cu≤0.30
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		 - Cu≤0.30
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		 - Cu≤0.30
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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