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ASTM A131 Grade DH32 is a high-strength structural steel with the following properties:
| Property | Value |
|---|---|
| Yield Strength (min) | 315 MPa (46 ksi) |
| Tensile Strength | 440-590 MPa (64-85 ksi) |
| Elongation (min) | 22% in 2″, 19% in 8″ |
Chemical Composition:
| Element | Percentage |
|---|---|
| Carbon (max) | 0.18% |
| Manganese | 0.90-1.60% |
| Silicon | 0.10-0.50% |
| Phosphorus (max) | 0.035% |
| Sulfur (max) | 0.035% |
DH32 steel is widely used in:
Its high strength and good low-temperature toughness make it ideal for these applications.
DH32 steel is typically manufactured as plate steel. Available dimensions include:
| Grade | Yield Strength (min) | Impact Test Temperature |
|---|---|---|
| AH32 | 315 MPa | 32°F (0°C) |
| DH32 | 315 MPa | -4°F (-20°C) |
| EH32 | 315 MPa | -40°F (-40°C) |
DH32 offers improved low-temperature toughness compared to AH32, making it suitable for a wider range of operating conditions.
DH32 undergoes rigorous testing, including:
At HL Steel Company, we ensure that all our ASTM A131 Grade DH32 steel meets or exceeds these quality standards, providing our customers with reliable and high-performance products for their shipbuilding and offshore structural needs.
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