Spain UNE X50CrMnNiNbN21-9 Spain structural alloy steel and X50CrMnNiNbN21-9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Steel | X50CrMnNiNbN21-9 | UNE | Spain | Spain structural alloy steel |
| X15CrNiSi20-12 |
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| X15CrNiSi25-4 |
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| X15CrNiSi25-2i |
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| X18CrN28 |
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| X25CrMnNiN25-9-7 |
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| NiCr20TiAl |
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| NiFe25Cr20NbTi |
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| X33CrNiMnN23-8 |
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| X40CrSiMo10-2 |
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| X45CrSi9-3 |
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | W(%) | N(%) |
|---|---|---|---|---|---|---|---|---|
| 0.45-0.55 | Max 0.45 | 8.00-10.0 | 0.045 | 0.030 | 20.0-22.0 | 3.50-5.50 | 0.80-1.50 | 0.40-0.60 |
| 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) |
|---|---|---|---|---|---|---|
| 977 (≥) | 958 (≥) | 43 | 23 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.43 | - | |||
| 653 | 389 | - | 23.3 | 324 | - | ||
| 626 | - | 42 | 44.2 | 212 | 421 |
Heat treated : 1972°C - 1172°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| Q195 | GBT | China | Engineering and welding |
| Q215 | China | Engineering and welding | |
| Q215 B | China | Engineering and welding | |
| Q235 | China | Engineering and welding | |
| Q235 B | China | Engineering and welding | |
| Q235 C | China | Engineering and welding | |
| Q235 D | China | Engineering and welding | |
| Q255 A | China | Engineering and welding | |
| Q255 B | China | Engineering and welding | |
| Q275 | China | Engineering and welding | |
| Q235q C | China | Bridge structure with steel | |
| Q235q D | China | Bridge structure with steel | |
| Q345q E | China | Bridge structure with steel | |
| Q345q C | China | Bridge structure with steel | |
| ASTM 1030 | ASTM | USA | General use carbon steel bar |
| UNS G10300 | UNS | USA | General use carbon steel bar |
| ASTM 1005 | ASTM | USA | General use carbon steel bar |
| UNS G10050 | UNS | USA | General use carbon steel bar |
| ASTM 1006 | ASTM | USA | General use carbon steel bar |
| UNS G10060 | UNS | USA | General use carbon steel bar |
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