EN ISO 683-7:2024 STANDARD W.NR.: 1.0122 Non-alloy steel for structural purposes CHEMICAL COMPOSITION MECHANICAL FEATURES PROPERTIES Heat analysis according to the EN 630-2:2021 standard * P and S = max. 0,040% for long products C % Si % Mn % *P % *S % N % Cu % per spessori in mm ≤40 >40 From – – – – – – – – To 0,17 0,20 – 1,40 0,035 0,035 0,012 0,55 According to the EN ISO 683-7:2024 standard Thickness mm Rolled + peeled rolled ( +SH ) Cold drawn ( +C ) hardness HB Rm (MPa) Rp0,2 minimum Rm (MPa) A5 % (MPa) minimum ≥5≤10 355 da 470 a 840 8 >10≤16 300 da 420 a 770 9 >16≤40 da 107 a 152 da 360 a 510 260 da 390 a 730 10 >40≤63 da 107 a 152 da 360 a 510 235 da 380 a 670 11 >63≤100 da 107 a 152 da 360 a 510 215 da 360 a 640 11 * Delivery condition: as rolled. Weldability: This steel grade is generally suitable to welding. Notes: CORRESPONDENCE WITH OTHER STANDARDS (purely as an indication): EN 10025:90 DIN 17100 BS 4360 Fe 360 BFN RSt 37-2 40B S235B_3.pdf (PDF, opens in a new window)