ASTM A131 grade AH32 steel is high tensile strength steel for shipbuilding and oil platform. With good toughness properties, processing properties, welding properties, strong corrosion-resistance etc. excellent ASTM A131 grade AH32 steel properties, AH32 steel is widely used in the manufacture of the ocean ship's hull structures.
ASTM A131 grade AH32 steel properties (AH32 steel plate):
| Grade | Thickness(mm) | Yield Strength | Tensile Strength | Elongation | Min Impact Energy at 0 Dec | |
| ASTM A131 Grade AH32 | 8mm-50mm | Min 315Mpa | 440-590Mpa | 19% | 31J L | 22J T |
| 51mm-70mm | Min 315Mpa | 440-590Mpa | 19% | 38J L | 26J T | |
| 71mm-100mm | Min 315Mpa | 440-590Mpa | 19% | 46J L | 31J T | |
According to ASTM A131 standard, the thickness of AH32 steel plate should be within 100mm. The Min. yield strength of AH32 steel plate is 315 Mpa, and the tensile strength of AH32 steel plate is 440-590Mpa. Both the yield strength and tensile strength will decrease with increase of the AH32 steel plate thickness. The Min. elongation of AH32 steel plate is 19%. The impact energy of AH32 steel plate is obvious different at different thickness, which please check in above table.
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