GB Q370R GB 713 Plate
vessel steel plate Product Introduction
GB Q370R GB 713 steel is one of the most widely used materials in industrial boilers today. Developed by Chinese engineers in the 1890s, the steel is a combination of several substances designed to maximize efficiency and durability, making it indispensable in today's energy industry. While the global boiler steel industry is facing increasing challenges such as rising raw material prices and a lack of technical expertise, new developments in the field are helping to address these issues, ensuring that GB Q370R GB 713 remains a vital material for years to come.
pressure vessel steel plate Product Details
GB Q370R GB 713 Chemical Element
What is the chemical composition of GB Q370R GB 713? For GB Q370R GB 713 element content, please contact us.
| Element | Min | Max | Similar |
|---|---|---|---|
| Al | 0.0200 | - | - |
| Cu | - | 0.2500 | - |
| V | 0.1500 | 0.3000 | - |
| Si | - | 0.5500 | - |
| S | - | 0.0150 | - |
| P | - | 0.0250 | - |
| Nb | 0.0150 | 0.0500 | - |
| Mn | 1.2000 | 1.6000 | - |
| C | - | 0.1800 | - |
| Ni | - | 0.3000 | - |
| Cr+Cu+Mo+Ni | - | 0.7000 | - |
| Cr | - | 0.3000 | - |
| Mo | - | 0.0800 | - |
| Cu | - | 0.3000 | - |
| V | - | 0.0500 | - |
| Ti | - | 0.0300 | - |
| S | - | 0.0100 | - |
| P | - | 0.0200 | - |
| Mn | 1.2000 | 1.7000 | - |
| C | - | 0.1800 | - |
GB Q370R GB 713 Mechanical Properties
More detailed information about GB Q370R GB 713 steel Mechanical Properties, please refer to the following table:
| 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) |
|---|---|---|---|---|---|---|
| 737 (≥) | 797 (≥) | 43 | 24 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
GB Q370R GB 713 Physical Properties
Physical properties of GB Q370R GB 713 are mainly indicated by modulus of elasticity, thermal conductivity, specific thermal capacity, electrical resistance value, coefficient of thermal expansion, density, poisson's ratio, etc.
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.43 | - | |||
| 447 | 798 | - | 41.3 | 414 | - | ||
| 945 | - | 44 | 43.2 | 311 | 132 |
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