S355J2 low alloy steel

S355J2 adopts European standard EN10025-2, S355J2 is roughly equivalent to GB's Q345D, S355J2, J2 means that the delivery state is normalized, and the impact energy at -20 ℃ is 27J.

S355J2 low alloy steel Chemical composition:
C:≤0.22;
Si:≤0.55;
Mn:≤1.60;
P:≤0.025;
S: ≤0.025; Cu: ≤0.55;

S355J2 low alloy steel Mechanical properties:

Yield Strength (Mpa)									Tensile strength (Mpa)	mpact energy -20℃
≤16mm	16—40mm	40—63	63—80	80—100	100-150	150-200	200-250	250-400	450-680	≥27
≥355	≥345	≥335	≥325	≥315	295	≥285	≥275	≥265

S355J2 steel use:
It has good comprehensive mechanical properties, low temperature impact toughness, cold stamping, machinability, and is widely used in welded structures subjected to dynamic loads, such as bridges, vehicles, ships, pipelines, boilers, large containers, oil tanks, heavy machinery and equipment. Mining machinery and -40℃ low temperature pressure vessel.

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