table 1.non alloy structural steels en 10025-2:2004, steel grades Mechanical properties and approximate comparison with previous standard steelsYield strength 1)ReH MPaTensile strengthRm MPaImpact strength 1)EN 10025-22004EN 10025:1990+A1:1993EN 10025:1990SFS 2001986 SS xx xx xx-xx1987 DIN 171001980BS 43601986NF A 35-5011981KV J t °C235 360-510 27 20 – S235JR Fe 360 B – 14 13 11-00 St 37-2 E 24-2235 360-510 27 20 S235JR S235JRG2 Fe 360 B FN Fe 37 B 14 13 12-00 RSt 37-2 40 B –235 360-510 27 0 S235J0 S235J0 Fe 360 C – St 37-3 U 40 C E 24-3235 360-510 27 -20 S235J2+N S235J2G3 Fe 360 D1 Fe 37 D St 37-3 N 40 D E 24-4235 360-510 27 -20 S235J2 S235J2G4 Fe 360 D2 – –275 430-580 27 20 S275JR S275JR Fe 430 B Fe 44 B 14 14 12-00 St 44-2 43 B E 28-2275 430-580 27 0 S275J0 S275J0 Fe 430 C – St 44-3 U 43 C E 28-3275 430-580 27 -20 S275J2+N S275J2G3 Fe 430 D1 Fe 44 D 14 14 14-00 St 44-3 N 43 D E 28-4275 430-580 27 -20 S275J2 S275J2G4 Fe 430 D2 – 14 14 14-01 –355 510-680 27 20 S355JR S355JR Fe 510 B – (14 21 72-00) – 50 B E 36-2355 510-680 27 0 S355J0 S355J0 Fe 510 C Fe 52 C St 52-3 U 50 C E 36-3355 510-680 27 -20 S355J2+N S355J2G3 Fe 510 D1 Fe 52 D (12 21 74-01) St 52-3 N 50 D355 510-680 27 -20 S355J2 S355J2G4 Fe 510 D2 – –355 510-680 40 -20 S355K2+N S355K2G3 Fe 510 DD1 – – 50 DD E 36-4355 510-680 40 -20 S355K2 S355K2G4 Fe 510 DD2 – –185 310-540 – – S185 S185 Fe 310-0 Fe 33 14 13 00-00 St 33 A 33295 490-660 – – E295 E295 Fe 490-2 Fe 50 14 15 50-00 St 50-2 A 50-2Material thickness ≤16 mm.1) The yield strength (ReH) and impact strength (Charpy V) values are minimum values.For accurate comparison, the original standards and data sheets must be used.table 2.non alloy structural steels en 10025-2:2004impact strength, impact strength classes, codes and comparison with previous standardsTest temperature°CImpact strength classEN 10027:2005 EN 10025-2:2004 EN 10025:1990Impact strength, longitudinally Impact strength, longitudinally Impact strength, longitudinally27 J 40 J 60 J 27 J 40 J 27 J 40 J20 JR KR LR JR – B –0 J0 K0 L0 J0 – C –-20 J2 K2 L2 J2 K2 D DD-30 J3 K3 L3 – – – –-40 J4 K4 L4 – – – –-50 J5 K5 L5 – – – –-60 J6 K6 L6 – – – –3table 3.non alloy structural steels en 10025-2Symbols included in designations. Steel grade codes in the current and the previous standarden 10025-2:2004Symbol CommentS Structural steelE Steel for engineering purposesC Guaranteed flangeability+N Delivery condition as normalized or normalized rolledTo be delivered in delivery condition +N+AR Delivery condition as untreated To be delivered in delivery condition +AR (As Rolled)DeoxidationFN Rimming steel not permitted JR and J0 flat productsFF Fully killed with nitrogen binding elements J2 and K2 flat products
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