Shipbuilding steel plate
D
Grade D carries impact testing at −20°C, specified for structural members needing greater notch toughness — thicker sections or lower service temperatures.
Mechanical properties
- Grade class
- Normal strength
- Minimum yield ReH
- 235 MPa
- Tensile strength Rm
- 400–520 MPa
- Elongation A5
- 22%
- Impact test temperature
- -20 °C
Impact energy in joules is not listed here because it varies with plate thickness and specimen orientation. The value that governs your order is the one on the mill test certificate, issued per heat.
Stock & dimensions
Rolled to order for this grade. Send thickness, dimensions and tonnage for a lead time.
Classification society approvals
Approvals are held with the nine classification societies below. Certificates are available on request, and material is released with the mill test certificate for the relevant heat.
- CCS D
- ABS D
- DNV D
- GL D
- BV D
- LR D
- RINA D
- KR D
- NK D
Related grades
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