S420ML steel plate is a European standard alloy steel plate, 'S' in the grade S420ML expresses structural steel; '420' in the grade S420ML expresses a yield strength of 420; 'M' in the grade S420ML expresses thermomechanical rolling; 'L' in the grade S420ML expresses -50° impact. 'M' in grade S420ML expresses thermomechanical rolling; 'L' in grade S420ML expresses -50° impact.
S420ML delivery state: hot rolled, annealed.
S420ML executive standard: EN 10025-2004 standard production.
S420ML impact temperature: -50°.
S420ML flaw detection level: 'one probe, two probe, three probe'.
S420ML Thickness can do Z performance: Z15, Z25, Z35. S420ML steel plate can do 1/2 place performance test.
S420ML steel plate density: 7.85/cubic metre.
S420ML steel plate rationalisation formula: thickness * width * length * density.
S420ML mechanical properties:
Tensile strength > Yield strength σs(MPa): ≥1300;
Elongation δ5(%): ≥6;
Section shrinkage ψ(%): ≥25;
Hardness ≤321HBW;
PS: The actual mechanical properties are subject to the material book of the steel mill.
S420M steel plate is suitable for heavy-duty components of welded structures applied in ambient and low-temperature conditions, such as bridges, sluices, storage tanks, water supply tanks and so on.
