Cold drawn standards EN 10277:2018 W.NR.: 1.1141 Special non-alloy case-hardening steel CHEMICAL COMPOSITION MECHANICAL FEATURES PROPERTIES Heat analysis according to the EN ISO 683-3:2022 standard C % Si % Mn % P % S % Cr % Mo % Ni % Cu % From 0,12 – 0,30 – – – – – – To 0,18 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≤10 238 380 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% Notes: CORRESPONDENCE WITH OTHER STANDARDS (purely as an indication): UNI 7846 DIN 17210 EN 10084 AFNOR 35-551 C15 CK15 C15E XC12 C15E-EN.pdf (PDF, opens in a new window)