P460QH Quenched and Tempered Steel Plate
The lower limit of yield strength of P460QH container steel plate is 460MPa, which is widely used in the petroleum, chemical, power station, boiler and other industries for the production of reactors, heat exchangers, etc.
GNEE Group stocks more than 10,000 tons of P460QH boiler steel plates per month. We can meet any quantity, size and other requirements of customers. Based on these stock sources, our advantage industries extend to steel processing, such as: cutting (any size and any shape) drilling, welding, milling, machining and steel structure.
P460QH vessel steel plate chemical composition
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Cu | Zr | B |
| max 0.18 | max 0.5 | max 1.7 | max 1 | max 0.025 | max 0.01 | max 0.5 | max 0.5 | max 0.08 | max 0.015 | max 0.05 | max 0.03 | max 0.3 | max 0.05 | max 0.005 |
P460QH pressure vessel quality steel mechanical property
| 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) |
|---|---|---|---|---|---|---|
| 167 (≥) | 653 (≥) | 11 | 34 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
P460QH boiler quality plates physical properties
| 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 | - | - | 0.12 | - | |||
| 346 | 963 | - | 21.3 | 213 | - | ||
| 643 | - | 41 | 34.2 | 121 | 112 |
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