S355J2 steel plate: Chemical composition & Mechanical properties

S355J2 steel plate is an unalloyed welded structural steel with guaranteed impact work at a temperature of -20ºС.

Classification: Low-carbon steel.

Products: Flat and long products, as well as semi-finished products used to make them.

Chemical composition of steel S355J2 according to ladle sample in accordance with GOST 10025-2, %

Product thickness	C	Si	Mn	P	S	Cu
≤40	≤0.20	≤0.55	≤1.60	≤0.025	≤0.025	≤0.55
>40	≤0.22	≤0.55	≤1.60	≤0.025	≤0.025	≤0.55

Mechanical properties of steel S355J2

Nominal thickness, mm	Minimum yield strength, MPa	Strength limit, MPa
<3	355	510-680
≥3 ≤ 16	355	470-630
> 16 ≤ 40	345	470-630
> 40 ≤ 63	335	470-630
> 63 ≤ 80	325	470-630
> 80 ≤ 100	315	470-630
> 100 ≤ 150	295	450-600
> 150 ≤ 200	285	450-600
> 200 ≤ 250	275	450-600
> 250 ≤ 400	265	450-600

Application of S355J2

S355J2 steel plate is characterised by an optimal set of mechanical characteristics, which determines its widespread use when manufacturing metal structures and products for construction and machine building purposes. It is used in industrial and civil engineering, as well as in the construction of oil and gas platforms, other offshore structures, power transmission towers and other metal structures. S355J2 steel plate is actively used to manufacture elements of heavy ground and underground equipment (bulldozers, excavators and dump trucks), railway wagons and agricultural machinery.