Steel bars:

HEAT TREATABLE QUALITY CARBON STEEL
| EN 10083/1 EN 10083/2 |
Werkstoff No. | DIN 17200 1652 | STAS 880 | AFNOR NFA33101; 35551; | B.S. 970 1449 | UNI 7845 8373 |
JIS G4051 |
GOST 1050 |
AISI/SAE ASTM |
| 1C22 | 1.0402 | C 22 | OLC 20 | AF 42 XC18 |
055M15 070M20 22HS, CS | C20 C21 C25 |
S20C S22C |
20 | (M)1020 M1023 |
| 2C22 | 1.1151 | Ck 22 | OLC 20X | XC18 | 055M15 | C20 C25 |
S20C S22CK S22C |
20 | 1020 1023 |
| 3C22 | 1.1149 | Cm 22 | OLC 20XS | XC18 u | - | - | - | - | M1023 |
| 1C25 | 1.0406 | C 25 | OLC 25 | XC25 | 070M26 | C25 1C25 |
- | - | (M)1025 |
| 2C25 | 1.1158 | Ck 25 | OLC 25X | XC25 | 070M26 | C25 | S25C S28C |
25 | 1025 |
| 3C25 | 1.1163 | Cm 25 | OLC 25XS | XC25u | - | - | - | - | 1025 |
| 1C30 | 1.0528 | C 30 | OLC 30 | AF50 XC32 |
080M30 | C30, 1C30 | - | - | 1030 |
| 2C30 | 1.1178 | Ck 30 | OLC 30X | AF50,XC32 | 080M30 | - | 530C | 30 | 1030 |
| 3C30 | 1.1179 | Cm 30 | 1.1179 | XC32 u | - | - | - | - | 1030 |
| 1C35 | 1.0501 | C 35 | OLC 35 | AF55 XC38 XC32 |
080A32 080A35 080M36 40CS |
C35 1C35 |
S35C | 35 | 1035 |
| 2C35 | 1.1181 | Ck 35 | OLC 35X | XC32 XC38H1 |
080A35 | C35 | S35C | 35 | 1035 1038 |
| 3C35 | 1.1180 | Cm 35 | OLC 35XS | XC38H1u | - | - | - | - | 1035 |
| 1C40 | 1.0511 | C 40 | OLC 40 | XC42H1 AF60 |
080M40 | C40 1C40 |
- | - | 1040 |
| 2C40 | 1.1186 | Ck 40 | OLC 40X | AF60 XC42H1 |
060A40 080A40 080M40 |
C40 | S40C | 40 | 1040 |
| 3C40 | 1.1189 | Cm 40 | OLC 40XS | XC42H1u | - | - | - | - | 1040 |
| 1C45 | 1.0503 | C 45 | OLC 45 | AF65 XC45 |
060A47 080M46 50HS,CS |
C45 1C45 |
S45C | 45 | 1045 |
| 2C45 | 1.1191 | Ck 45 | OLC 45X | XC45H1u |
080M46 060A47 |
C45 C46 |
S45C S48C |
45 | 1045 |
| 3C45 | 1.1201 | Cm 45 | OLC 45XS | XC42H1u XC48H1u |
- | - | - | - | 1049 |
| 1C50 | 1.0540 | C 50 | OLC 50 | - | 080M50 | 1C50 | S50C | 50 | 1049 1050 |
| 2C50 | 1.1206 | Ck 50 | OLC 50X | - | 080M50 | - | S50C | 50 | 1049 1050 |
| 3C50 | 1.1241 | Cm 50 | OLC 50XS | - | - | - | - | - | 1050 |
| 1C55 | 1.0535 | C 55 | OLC 55 | AF70,C55 |
070M55 | C55 1C55 |
S55C | 55 | 1055 |
| 2C55 | 1.1203 | Ck 55 | OLC 55X | XC55H1 | 060A57 070M55 |
C55 | S55C | 55 | 1055 |
| 3C55 | 1.1209 | Cm 55 | OLC 55XS | XC55H1u | - | - | - | - | 1055 |
| 1C60 | 1.0601 | C 60 | OLC 60 | - | 060A62 HS, CS |
C60 1C60 |
S58C | 60 | 1060 |
| 2C60 | 1.1221 | Ck 60 | OLC 60X | - |
060A62 | C60 | S58C | 60 60G 60GA |
1060 1064 |
| 3C60 | 1.1223 | Cm 60 | OLC 60XS | - | - | - | - | - | 1064 |
| STEEL | CHEMICAL COMPOSITION, % BY WEIGHT | ||||
| GRADE | C | Si max |
Mn | P max |
S max |
| 1C 22 2C 22 3C 22 |
0.17-0.24 | 0.40 | 0.40-0.60 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 25 2C 25 3C 25 |
0.22-0.29 | 0.40 | 0.40-0.70 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 30 2C 30 3C 30 |
0.27-0.34 | 0.40 | 0.50-0.80 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 35 2C 35 3C 35 |
0.32-0.39 | 0.40 | 0.50-0.80 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 40 2C 40 3C 40 |
0.37-0.44 | 0.40 | 0.50-0.80 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 45 2C 45 3C 45 |
0.42-0.50 | 0.40 | 0.50-0.80 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 50 2C 50 3C 50 |
0.47-0.55 | 0.40 | 0.60-0.90 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 55 2C 55 3C 55 |
0.52-0.60 | 0.40 | 0.60-0.90 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |
| 1C 60 2C 60 3C 60 |
0.57-0.65 | 0.40 | 0.60-0.90 | 0.045 0.035 0.035 |
0.045 0.035 0.020-0.040 |