France AFNOR NF EN 10028-7, NF EN 10088-1, NF EN 10088-2, NF EN 10088-4, NF EN 10296-2 (2005), 1.4521 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 | 1.4521 | Ferrite | 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 | Ti | N |
|---|---|---|---|---|---|---|---|---|---|
| ≤0.025 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.015 | 17.00 -20.00 | 1.80 -2.50 | ≤ ≥ | 12×(C+N)+0.15 -0.80 | ≤0.030 |
| 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) |
|---|---|---|---|---|---|---|
| 811 (≥) | 611 (≥) | 34 | 11 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
| 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 | - | - | 0.33 | - | |||
| 764 | 447 | - | 11.3 | 413 | - | ||
| 445 | - | 44 | 32.2 | 241 | 434 |
Heat treated : 1333°C - 1288°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| X2CrMoTi18-2 | |||
| X2CrMoTi18-2 |
| 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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