cold drawn standards EN 10277:2018
W.NR.: 1.1140
Special non-alloy case-hardening steel
heat analysis according to the EN 10277:2018 standard
| C % | Si % | Mn % | P % | S % | Cr % | Mo % | Ni % | Cu % | |
| DA | 0,12 | – | 0,30 | – | 0,020 | – | – | – | – |
| A | 0,18 | 0,40 | 0,60 | 0,025 | 0,040 | 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 | 238 | 380 | da 500 a 800 | 7 | |
| >10≤16 | 231 | 340 | da 480 a 780 | 8 | |
| >16≤40 | 216 | 280 | da 430 a 730 | 9 | |
| >40≤63 | 198 | 240 | da 380 a 670 | 11 | |
| >63≤100 | 178 | 215 | da 340 a 600 | 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%
Note:
CORRESPONDENCE WITH OTHER STANDARDS (purely as an indication):
| UNI 7846 | DIN 17210 | EN 10277-4:08 | AFNOR 35-551 |
| C15 | CK15 | C15R | XC12 |