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ASTM A131 GR.A Shipbuilding Steel Plates, hot rolled shipbuilding steel is produced in accordance with the relevant Classification Society.ASTM A131 Grade A Plates are supplied under the ASTM/ASME specification which is the standard specification for Structural Steel for Ships.
ASTM A131 Grade A Shipbuilding Steel Plate Specification:
Thickness:3~150mm
Width:1220~4200mm
Length:5000~18000mm
ASTM A131 Grade A Shipbuilding Steel Plate Chemical Composition and Mechanical Property
Grade |
C % |
Si % |
Mn %Min |
P % |
S % |
C+Mn/6 |
ASTMA131 A |
0.21 |
0.50 |
2.5xC |
0.035 |
0.035 |
0.40 |
Grade |
Yield Strength (Mpa) |
Tensile Strength |
Elongation in8 in.[200mm] |
Elongation in8 in.[200mm] |
Test Temperature(°C) |
ASTMA131 A |
≥235 |
400-520 |
≥21 |
≥24 |
20 |
ASTM A131 Grade A Shipbuilding Steel Plate Application
ASTM A131 Grade A Shipbuilding steel plate is mainly used to Shipbuilding Project and Ocean Offshore Structural Project.
Additional Condition
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.Other Terms
Packaging Details: Standard export seaworthy packing or as required.We are the most competitive manufacturer and supplier of ASTM A131 Grade A Shipbuilding Steel Plate in China. For more details, please contact us freely.
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