EN 10277-4 Standard
W.NR.: 1.1207/C10R
Special Non-Alloy Case-Hardening Steel
Heat analysis according to the EN 10277-4 standard
| C % | Si % | Mn % | P % | S % | |
| From | 0,07 | – | 0,30 | – | 0,020 |
| To | 0,13 | 0,40 | 0,60 | 0,035 | 0,040 |
According to the EN 10277-4 standard
| Thickness mm | Rolled + Peeled Rolled (+SH ) | Cold Drawn ( +C ) | |||
| Hardness HB | Rm (MPa) | Rp0,2 minimum | Rm (MPa) | A5 % | |
| (MPa) | minimum | ||||
| ≥5≤10 | 350 | da 460 a 760 | 8 | ||
| >10≤16 | 300 | da 430 a 730 | 9 | ||
| >16≤40 | da 92 a 163 | da 310 a 550 | 250 | da 400 a 700 | 10 |
| >40≤63 | da 92 a 163 | da 310 a 550 | 200 | da 350 a 640 | 12 |
| >63≤100 | da 92 a 163 | da 310 a 550 | 180 | da 320 a 580 | 12 |
* Delivery condition: as rolled.
Weldability:
It is a soft carbon-steel, easily cold machinable and weldable without any particular precautions.
Improved machinability:
Upon request it can be supplied with improved machinability with Pb (lead) addition, for example
Pb=0,15%÷0,35%
Notes:
CORRESPONDENCE WITH OTHER STANDARDS (purely as an indication):
| UNI 7846 | DIN 17210 | ISO 683-11 | AFNOR 35-551 |
| C10 | CK10 | C10 | XC10 |