A588 Grade A atmospheric corrosion resistant HSLA steel is a high-strength low-alloy structural steel with up to a 50 ksi minimum yield point featuring atmospheric corrosion resistance. A588 Grade A atmospheric corrosion resistant HSLA steel is a structural steel in plate form for welding, riveting or bolting in construction applications, primarily welded bridges and buildings where savings in weight or added durability are important. The atmospheric corrosion resistance of A588 Grade A in most environments is substantially better than that of carbon structural steels with or without copper addition. When properly exposed to the atmosphere, A588 Grade A steel is suitable for many applications in the bare (unpainted) condition.
A588 Grade A steel plate has a yield strength of at least 50,000 psi (340,000 kPa), and ultimate tensile strength of 70,000 psi (480,000 kPa) for all rolled shapes and plate thicknesses up to 4 in (100 mm) thick. Plates from 4–5 in (102–127 mm) have yield strength at least 46,000 psi (320,000 kPa) and ultimate tensile strength at least 67,000 psi (460,000 kPa), and plates from 5–8 in (127–203 mm) thick have yield strength at least 42,000 psi (290,000 kPa) and ultimate tensile strength at least 63,000 psi (430,000 kPa).
A 588 Grade A steel plate specification:
Thickness: 6MM to 200
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
A588 Grade A steel Chemical composition in Product analysis:
|Carton,%||Manganese, %||Cr, %||Silicon, %||N, %||Sulfur, %|
|Cu, %||Phosphorus, %||Ni, %||Mo, %|
A588 Grade A steel Mechanical Properties:
|Mechanical Properties of A588 steel||A588 steel|
|Tensile strength, kis[Mpa]||Tensile strength, kis|
|100mm or under|||
|Yield strength,min, kis[Mpa]||Yield strength,min, kis|
|100mm or under|||
|Elongation in under [50mm],min,%||21|
|Elongation in under [50mm-200mm],min,%||18|
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