ASME SA283 Grade B Structural Steel Plates: Dimensions & Equivalents

 

What is ASME SA283 Grade B steel plate?

 

ASME SA283 Grade B offers slightly higher strength than Grade A, suitable for structural applications needing moderate load-bearing, like industrial frameworks or low-pressure tanks.

 

Chemical Composition

Per asme sa283 grade b mechanical properties guide, it shares Grade A’s low-carbon base but allows slightly higher carbon for 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)

 

ASME SA283 Grade B Mechanical Properties

Properties support moderate-pressure use, per sa283 gr b equivalent materials comparison.

Properties table:

Property

Value

Tensile Strength

50-65 ksi (345-450 MPa)

Yield Strength

27 ksi (185 MPa) min

Elongation (in 50mm)

28% min

 

ASME SA283 Grade B Dimensions

Thickness: 6-50mm; Width: 1500-3500mm; Length: up to 12000mm. Tolerances per ASME SA20.

 

Pricing

Buy asme sa283 grade b carbon steel plates onlineat $500-1,000/ton, averaging $550-800 in Asia, $850-1,000 in Europe/NA. India: ₹70-105/kg.
 

ASME SA283 Steel Plate

ASME SA283 Grade A

ASME SA283 Grade B

ASME SA283 Grade C

ASME SA283 Grade D

 

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