S355J2G3 steel plate Chemical composition

S355J2G3 steel Chemical composition,S355J2G3 steel Mechanical properties ​S355J2G3 steel is a carbon manganese steel. It is characterised by its excellent strength and weldability. S355J2G3 is a non-alloy structural steel according to EN10025:1990. S355J2G3 steel Chemical composition C(％) Si(％) Mn(％) P(％) S(％) 0.20 0.55 1.60 0.035 0.035 S355J2G3 steel Mechanical properties Annealing hardness HBS Cold pull hardness HBS Preheating temperature ℃ Quenching temperature ℃ Holding time min Hardening medium Temper temperature ℃ After tempering hardness ≥HRC salt-bath furnace controlled atmosphere furnace 235 262 788 1191 1204 5～15 air cooling 522 60 GNEE steel  as a S355J2G3 steel supplier in CHina ,any need in S355J2G3 steel , please contact us!