International ISO ISO 9327-5 (1999), ISO 9328-5, ISO 9329-4 (1997), ISO 9330-6 (1997), X6CrNiMoTi17-12 Specialsteel Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X6CrNiMoTi17-12 | Austenite | ISO | International | Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes | 
| C | Si | Mn | P | S | Cr | Mo | Ni | Ti | 
|---|---|---|---|---|---|---|---|---|
| ≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 16.50 -18.50 | 11.50 -14.00 | 2.00 -2.50 | 5×C% -0.80 | 
| 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) | 
|---|---|---|---|---|---|---|
| 185 (≥) | 229 (≥) | 32 | 23 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.42 | - | |||
| 848 | 469 | - | 44.3 | 412 | - | ||
| 162 | - | 41 | 22.2 | 211 | 233 | 
Heat treated : 1616°C - 1373°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| X6CrNiMoTi17-12-2 | |||
| X6CrNiMoTi17-12-2 | 
| ISO 9327-5 (1999) | Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels | ISO-9327-5-(1999).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 9329-4 (1997) | Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels | ISO-9329-4-(1997).pdf | 
| ISO 9330-6 (1997) | Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes | ISO-9330-6-(1997).pdf | 
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