AH40 Shipbuilding Steel Plate
The steel grade AB/AH40 is ABS grade AB/AH40. It is equivalent with CCSAH40, BVAH40, NV A40, GL-A40, KRAH40, LRAH40, and RINA-AH40. AB/AH40 shipbuilding steel plate is a kind of hot rolled plate of higher tensile strength, with its minimum yield strength at 390MPa. It has excellent chemical and mechanical properties. AH40 is mainly used on shipbuilding and oil platform, and also in the manufacture of the ship's hull structure, whose weight is more than 10000 tons. It performs good in toughness properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties.
Specifications of AB/AH40 Shipbuilding Steel Plate
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Project |
Data |
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Steel Grade |
AB/AH40 |
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Chemical Composition |
C % |
≦0.18 |
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Si % |
≦0.50 |
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Mn % |
0.90~1.60 |
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P % |
≦0.030 |
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S % |
≦0.030 |
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Cu % |
≦0.35 |
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Cr % |
≦0.20 |
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Ni % |
≦0.40 |
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Nb % |
0.02~0.05 |
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V % |
0.05~0.10 |
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Ti % |
≦0.02 |
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Mo % |
≦0.08 |
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N % |
---- |
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Mechanical Property |
Upper Yield strength (ReH/MPa) |
≧390 |
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Tensile Strength (Rm/MPa) |
510~660 |
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Elongation after Fracture (A/%) |
≧20 |
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Charpy V-Notch Impact Test |
Thickness: ≦50mm |
Longitudinal (KV2/J) |
41 |
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Transverse (KV2/J) |
27 |
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Thickness: >50~70 |
Longitudinal (KV2/J) |
46 |
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Transverse (KV2/J) |
31 |
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Thickness: >70~150 |
Longitudinal (KV2/J) |
55 |
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Transverse (KV2/J) |
37 |
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Test Temperature (℃) |
0 |
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Plate Size |
Thickness (mm) |
6~350 |
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Width (mm) |
900~4850 |
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Length (mm) |
3000~25000 |
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Note |
We can customize plate sizes for you.
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Photos of AB/AH40 Shipbuilding Steel Plate：
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