Steel bars:

Carbon steel for general use
Heat treatable quality carbon steel
Tool carbon steel
Case hardening steel
Heat treatable steel
Spring steel
Alloy tool steel for cold work
Alloy tool steel for hot work
High speed tool steel
Stainless and refractory stainless steel

  Hot rolled flat steel bars

ALLOY TOOL STEEL FOR HOT WORK

Chemical composition
CORESP. CHEMICAL COMPOSITION, % BY WEIGHT
MARCILOR
DE OTEL 		C Si
max		 Mn P
max		 S
max
C 22
Ck 22
Cm 22		 0.17-0.24 0.40 0.30-0.60 0.045
0.035
0.035		 0.045
0.030
0.020-0.035
C 25
Ck 25
Cm 25		 0.22-0.29 0.40 0.40-0.70 0.045
0.035
0.035
 0.045
0.030
0.020-0.035
C 30
Ck 30
Cm 30		 0.27-0.34 0.40 0.50-0.80 0.045
0.035
0.035		 0.045
0.030
0.020-0.035
C 35
Ck 35
Cm 35		 0.32-0.39 0.40 0.50-0.80 0.045
0.035
0.035
 0.045
0.030
0.020-0.035
C 40
Ck 40
Cm 40		 0.37-0.44 0.40 0.50-0.80 0.045
0.035
0.035		 0.045
0.030
0.020-0.035
C 45
Ck 45
Cm 45		 0.42-0.50 0.40 0.50-0.80 0.045
0.035
0.035
 0.045
0.030
0.020-0.035
C 50
Ck 50
Cm 50		 0.47-0.55 0.40 0.60-0.90 0.045
0.035
0.035		 0.045
0.030
0.020-0.035
C 55
Ck 55
Cm 55		 0.52-0.60 0.40 0.60-0.90 0.045
0.035
0.035
 0.045
0.030
0.020-0.035
C 60
Ck 60
Cm 60		 0.57-0.65 0.40 0.60-0.90 0.045
0.035
0.035		 0.045
0.030
0.020-0.035