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SM 570 steel

SM570 steel grade is a low carbon, high strength structural steel With this low carbon equivalent, it process good cold forming property. SM570 steel and SM520 steel plates usual supplied in normalized or control rolled delivery condition.
 

The Chemical is max composition of  SM 570 steel plate  analysis:

Symbol Chemical composition
C max Si max Mn P max S max
SM570 0.19 0.55 1.6 max 0.035 0.035

SM 570 steel plate Mechanical properties 

Symbol Yield point or proof stress N/mm2 (min) Tensile strength N/mm2 Elongation
Thickness of steel mm Thickness of steel mm thinckness Test piece % min
16 or under Over 16-40 100 or under
SM570 460 450 570-720 <5 NO.5 19
≥5 <16 NO.5 26
≥16 <50 NO.5 20