cold drawn standards EN 10277:2018
W.NR.: 1.1121
Special non-alloy case-hardening steel
eat analysis according to the EN ISO 683-3:2022 standard
| C % | Si % | Mn % | P % | S % | Cr % | Mo % | Ni % | Cu % | |
| DA | 0,07 | – | 0,30 | – | – | – | – | – | – |
| A | 0,13 | 0,40 | 0,60 | 0,025 | 0,035 | 0,40 | 0,10 | 0,40 | 0,30 |
according to the EN 10277:2018 standard
| Thickness mm | Soft annealed + cold drawn ( +A+C ) |
cold drawn | |||
| ( +C ) | |||||
| Hardness maximum values HB | Rp0,2 minimum | Rm (MPa) | A5 % | ||
| (MPa) | minimum | ||||
| ≥5≤10 | 225 | 350 | da 460 a 760 | 8 | |
| >10≤16 | 216 | 300 | da 430 a 730 | 9 | |
| >16≤40 | 207 | 250 | da 400 a 700 | 10 | |
| >40≤63 | 190 | 200 | da 350 a 640 | 12 | |
| >63≤100 | 172 | 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 | EN 10084 | AFNOR 35-551 |
| C10 | CK10 | C10E | XC10 |