GB 15MnNiDR GB 3531
Boiler and Pressure Vessel Steel Product Introduction
One such grade is known as GB 15MnNiDR GB 3531, an electric furnace steel which is produced in China. GB 15MnNiDR GB 3531 is a low-alloy steel, typically used in the creation of pressure vessels. As such, it is highly important to ensure that projects pertaining to the manufacturing of such vessels meet GB 3531 current standards.
We are GB 15MnNiDR GB 3531 supplier and exporter, GB 15MnNiDR GB 3531 producer and stock keeper. For the commonly used size , we usually have stock resources and arrange delivery within 10 days. GB 15MnNiDR GB 3531 is fist product of our company. Our not only enjoys first class quality on the market, but also competitive with reasonable price and thoughtful after service. Over the past 20 years, Our GB 15MnNiDR GB 3531 products are exported to more than 70 countries and areas.
Application: Low alloy steel plate for low temperature pressure vessels.
Heat treated: 1413°C - 1442°C.
Boiler and Pressure Vessel Steel Product Details
GB 15MnNiDR GB 3531 Mechanical properties
The resistance of GB 15MnNiDR GB 3531 to damage under load is called its mechanical properties. The mechanical properties of steel materials are the main basis for the design and material selection of parts. The mechanical properties of steel materials will be different with different loading properties (such as tension, compression, torsion, impact and cyclic loads). Common mechanical properties include strength, plasticity, hardness, impact toughness, multiple impact resistance and fatigue limit.
The mechanical properties of GB 15MnNiDR GB 3531 is in line with GB 3531. The main properties as below:
| 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) |
|---|---|---|---|---|---|---|
| 478 (≥) | 891 (≥) | 14 | 12 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 |
GB 15MnNiDR GB 3531 Physical properties
The physical properties of GB 15MnNiDR GB 3531 steel incorporate high quality, low weight, solidness, ductility and protection from erosion.
| 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 |
|---|---|---|---|---|---|---|---|
| 12 | - | - | 0.42 | - | |||
| 179 | 153 | - | 21.3 | 214 | - | ||
| 683 | - | 33 | 22.2 | 311 | 431 |
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