International ISO ISO 15510 (2010), ISO 16143-3 (2005), ISO 4955 (2005), ISO 9328-5, ISO 9328-7 (2011), X7CrNiAl32-21 Specialsteel Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | X7CrNiAl32-21 | Austenite | ISO | International | Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels |
C | Si | Mn | P | S | Cr | Mo | Ni | Al | Ti | Cu |
---|---|---|---|---|---|---|---|---|---|---|
≤0.10 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.020 | 19.00 -23.00 | ≤ ≥ | 30.00 -35.00 | 0.15 -0.60 | 0.15 -0.60 | ≤0.75 |
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) |
---|---|---|---|---|---|---|
836 (≥) | 226 (≥) | 14 | 21 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 |
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 | - | - | 0.24 | - | |||
361 | 349 | - | 21.3 | 342 | - | ||
652 | - | 32 | 23.2 | 333 | 144 |
Heat treated : 1861°C - 1164°C
ISO 15510 (2010) | Stainless steels -- Chemical composition | ISO-15510-(2010).pdf |
ISO 16143-3 (2005) | Stainless steels for general purposes -- Part 3: Wire | ISO-16143-3-(2005).pdf |
ISO 4955 (2005) | Heat-resistant steels | ISO-4955-(2005).pdf |
ISO 9328-5 | Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled | ISO-9328-5.pdf |
ISO 9328-7 (2011) | Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels | ISO-9328-7-(2011).pdf |
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