Products Description
Q500NH steel plate major added metal elements are nickel, copper.GB/T 4171 Q500NH is one kind steel grade for atmosphere corrosion resistance.
The minimum yield strength for Q500NH is above 500 Mpa for thickness equal and belows 16mm,and the minimum tensile strength is above 600 Mpa.
Products Specification
Grade:Q500NH
Type: steel plate,steel sheet
Standard : GB/4171
Heat Treatment:As rolled/Normalised
Thickness: 3mm-300mm
Width: 1000mm-4200mm
Length: 3000mm-18000mm
GB Q500NH GB/T 4171 Chemical element
| Element | Min | Max | Similar |
|---|---|---|---|
| Zr | - | 0.1500 | - |
| V | 0.0200 | 0.1200 | - |
| Ti | 0.0200 | 0.1000 | - |
| Si | - | 0.6500 | - |
| S | - | 0.0300 | - |
| P | - | 0.0250 | - |
| Ni | 0.1200 | 0.6500 | - |
| Nb | 0.0150 | 0.0600 | - |
| Mo | - | 0.3000 | - |
| Mn | - | 2.0000 | - |
| Cu | 0.2000 | 0.5500 | - |
| Cr | 0.3000 | 1.2500 | - |
| C | - | 0.1600 | - |
| Al | 0.0200 | - | - |
GB Q500NH GB/T 4171 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) |
|---|---|---|---|---|---|---|
| 698 (≥) | 187 (≥) | 41 | 24 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 |
GB Q500NH GB/T 4171 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 | - | - | 0.23 | - | |||
| 613 | 459 | - | 41.3 | 311 | - | ||
| 113 | - | 22 | 32.2 | 131 | 131 |
Products Application
GB/T 4171 Q500NH Weather Resistant Steel plate for better corrosion resistance and can be used as processing materials aboard, the container, the train tracks.
Compared to stainless steel, only trace amounts of alloying elements, alloys such as weathering resisting steel elements of total phosphorus, copper, chromium, nickel, molybdenum, niobium, vanadium, titanium, etc. is only a few percent.
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