France AFNOR NF EN 10028-7, NF EN 10088-1, NF EN 10088-2, NF EN 10088-4, NF EN 10296-2 (2005), X2CrNiN18-7 Specialsteel Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X2CrNiN18-7 | Austenite | AFNOR | France | Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| C | Si | Mn | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|
| ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 16.50 -18.50 | ≤ ≥ | 6.00 -8.00 | 0.10 -0.20 |
| 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) |
|---|---|---|---|---|---|---|
| 663 (≥) | 973 (≥) | 31 | 24 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
| 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 |
|---|---|---|---|---|---|---|---|
| 33 | - | - | 0.14 | - | |||
| 496 | 727 | - | 33.3 | 441 | - | ||
| 881 | - | 13 | 43.2 | 312 | 344 |
Heat treated : 1184°C - 1196°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| X2CrNiN18-7 | |||
| X2CrNiN18-7 | |||
| X2CrNiN18-7 | |||
| X2CrNiN18-7 |
| NF EN 10028-7 | Flat products made of steels for pressure purposes - Part 7: Stainless steels | NF-EN-10028-7.pdf |
| NF EN 10088-1 | Stainless steels - Part 1: List of stainless steels | NF-EN-10088-1.pdf |
| NF EN 10088-2 | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes | NF-EN-10088-2.pdf |
| NF EN 10088-4 | Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes | NF-EN-10088-4.pdf |
| NF EN 10296-2 (2005) | Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel | NF-EN-10296-2-(2005).pdf |
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