Weldability: Due to the medium-high carbon content it can be welded with some precautions. Hardenability: Low hardenability; it shows intermediate features between those of steels with medium and those of steels with high carbon content; therefore it is not easy to obtain the required features by quenching in oil and the quenching in water can result in cracking.
Hot Rolled
Warning! Only for reference
| EU EN |
USA - |
Germany DIN,WNr |
Japan JIS |
France AFNOR |
England BS |
Italy UNI |
China GB |
Poland PN |
Czechia CSN |
Russia GOST |
Inter ISO |
| C40 | 1038 1040 |
1.0511 C40 Ck40 |
S40C | AF60C40 AF60C45 XC42HI |
070M40 080M40 En8 |
C40 | 40 | 40 | 12041 | 40 | C40 C40E4 |
| C | MN | SI | S | P | Cr | Ni | Mo | V | B |
| .35-.45 | .60-.90 | .15-.35 | .05 max | .05 max | - | - | - | - | - |
170-210 BHN
Spread over 2 verticals, the group produces economical and class-leading mild, alloy and carbon steel, hex, round, square, wire rods, ingots and billets with the most modern integrated steel manufacturing facility.
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