International ISO ISO 4954, X3CrNiCu18-9 3E Specialsteel Steels for cold heading and cold extruding and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X3CrNiCu18-9 3E | Austenite | ISO | International | Steels for cold heading and cold extruding | 
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | 
|---|---|---|---|---|---|---|---|---|
| ≤0.04 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 17.00 -19.00 | 8.50 -10.50 | ≤ ≥ | 3.00 -4.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 757 (≥) | 134 (≥) | 22 | 31 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 | 
| 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 | - | - | 0.23 | - | |||
| 394 | 831 | - | 32.3 | 333 | - | ||
| 621 | - | 14 | 42.2 | 432 | 441 | 
Heat treated : 1737°C - 1431°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| X3CrNiCu18-9-4 | |||
| X3CrNiCu18-9-4 | |||
| AMS 6443E | |||
| TA3ELI Ti Alloy | 
| ISO 4954 | Steels for cold heading and cold extruding | ISO-4954.pdf | 
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