EN P355Q EN 10028-6
Boiler and Pressure Vessel Steel Product Introduction
The EN P355Q EN 10028-6 steel grade is a special type of high-strength steel grade used in structural and pressure vessel applications in Europe. It is one of the most commonly used structural steel grades due to its excellent combination of strength, weldability and toughness. This article will examine the specific characteristics of this steel grade, its advantages, and some of its key applications.
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Application: Pressure flat steel products - Part 6: Weldable fine grain steel, quenched and tempered.
Heat treated: 1413°C - 1951°C.
Boiler and Pressure Vessel Steel Product Details
EN P355Q EN 10028-6 Mechanical properties
EN P355Q EN 10028-6 properties, EN P355Q EN 10028-6 Mechanical Properties, EN P355Q EN 10028-6 hardness, EN P355Q EN 10028-6 tensile strength, yield strength
| 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) |
|---|---|---|---|---|---|---|
| 285 (≥) | 892 (≥) | 24 | 22 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
EN P355Q EN 10028-6 Physical properties
Physical properties of EN P355Q EN 10028-6 are mainly indicated by modulus of electrical resistance value, thermal conductivity, specific thermal capacity, coefficient of thermal expansion, elasticity, poisson's ratio, density, 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 |
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.14 | - | |||
| 821 | 363 | - | 31.3 | 123 | - | ||
| 981 | - | 33 | 43.2 | 214 | 214 |
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