DNV Grade NV A40
shipbuilding steel plate Product Introduction
Our company has steel products billets, steel products, hot-rolled sheets, cold-drawn sheets, seamless steel pipes, steel bars and other products. DNV Grade NV A40 has a good reputation in the market, high-quality products, and thoughtful service in the steel industry. DNV Grade NV A40 has complete specifications, and the products are widely used in aerospace, petrochemical, and construction projects, with low requirements for products, easy processing and low dimensional accuracy requirements. And provide cutting, bending, welding, drilling, and other processing services.
Application: Rolled steel for structural application.
Heat treated: 1727°C - 1218°C.
shipbuilding steel plate Product Details
DNV Grade NV A40 Mechanical properties
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 573 (≥) | 293 (≥) | 41 | 11 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 |
DNV Grade NV A40 Physical properties
Basic Physical Properties of DNV Grade NV A40 Steel
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson's coefficient, ν |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.32 | - | |||
| 267 | 644 | - | 23.3 | 324 | - | ||
| 399 | - | 11 | 24.2 | 134 | 344 |
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