International ISO ISO 15510 (2010), ISO 4955 (2005), ISO 9327-5, ISO 9328-5, ISO/TS 15510 (2003), X7CrNiNb18-10 Specialsteel Stainless steels - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X7CrNiNb18-10 | Austenite | ISO | International | Stainless steels - Chemical composition | 
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Nb | 
|---|---|---|---|---|---|---|---|---|---|
| 0.04 -0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 17.00 -19.00 | 9.00 -12.00 | ≤ ≥ | ≤ ≥ | 10×C% -1.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 379 (≥) | 976 (≥) | 33 | 22 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.24 | - | |||
| 825 | 976 | - | 13.3 | 213 | - | ||
| 521 | - | 43 | 34.2 | 421 | 144 | 
Heat treated : 1157°C - 1943°C
| ISO 15510 (2010) | Stainless steels -- Chemical composition | ISO-15510-(2010).pdf | 
| ISO 4955 (2005) | Heat-resistant steels | ISO-4955-(2005).pdf | 
| ISO 9327-5 | Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels | ISO-9327-5.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/TS 15510 (2003) | Stainless steels - Chemical composition | ISO-TS-15510-(2003).pdf | 
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