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What is asme sa283 grade a?
ASME SA283 Grade A is a low-carbon steel plate for low-strength structural applications, such as bridges, buildings, and storage tanks. It is normalized or as-rolled for good weldability and ductility, ideal for non-critical setups.
In asme sa283 grade a structural steel specifications, low carbon ensures easy welding, with manganese adding basic strength.
Composition table:
|
Element |
Composition (%) |
|---|---|
|
Carbon (C) |
0.24 max |
|
Manganese (Mn) |
0.90 max |
|
Phosphorus (P) |
0.035 max |
|
Sulfur (S) |
0.040 max |
|
Copper (Cu) |
0.20 min (if copper-bearing) |
Per sa283 gr a carbon steel plate dimensions, it offers low tensile for simple structures.
Properties table:
|
Property |
Value |
|---|---|
|
Tensile Strength |
45-60 ksi (310-415 MPa) |
|
Yield Strength |
24 ksi (165 MPa) min |
|
Elongation (in 50mm) |
30% min |
Thickness: 6-50mm; Width: 1500-3200mm; Length: up to 12000mm. Custom cuts available.
As of October 07, 2025, current pricing for asme sa283 grade a boiler plates ranges $450-900/ton, averaging $500-700 in Asia, $800-900 in Europe/NA. India: ₹65-100/kg.
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