ASTM A131 Grade A Shipbuilding Quality Steel Plate

ASTM A131 Grade A Shipbuilding Steel Plates, hot rolled shipbuilding steel is produced in accordance with the relevant Classification Society.

ASTM A131 Grade A SBQ Plates are supplied under the ASTM/ASME specification (ASTM A131 / ASME SA 131) which is the standard specification for Structural Steel for Ships.

ASTM A131 Grade A Shipbuilding Chemical Composition:

Component Elements Properties

Metric

Carbon, C

0.26 %

Iron, Fe

97 %

Manganese, Mn

>= 0.65 %

Phosphorous, P

0.050 %

Sulfur, S

0.050 %

ASTM A131 Grade A Shipbuilding Mechanical Properties:

Mechanical Properties

Metric

English

Tensile Strength, Ultimate

400 - 490 MPa

58000 - 71100 psi

Tensile Strength, Yield

220 MPa

31900 psi

Elongation at Break

21 %

21 %

 

24 %

24 %

Bulk Modulus

160 GPa

23200 ksi

Shear Modulus

80.0 GPa

11600 ksi

ASTM A131 Grade A Main Application:
ASTM A131 Grade A Shipbuilding steel plate is mainly used to Shipbuilding Project and Ocean Offshore Structural Project.

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