Germany AWS DIN 17240 (1976) , DIN EN 10088-1 , DIN EN 10269 , DIN EN 10302 (2002), 1.4923 Specialsteel DIN 17240 (1976) Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications; Replaced by: DIN EN 10269:1999 and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 1.4923 | AWS | Germany | DIN 17240 (1976) Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications; Replaced by: DIN EN 10269:1999 |
| C | Si | Mn | P | S | Ni | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|
| 0.18 -0.24 | 0.10 -0.50 | 0.30 -0.80 | ≤0.0350 | ≤0.0350 | 0.30 -0.80 | 11.0 -12.50 | 0.80 -1.20 | 0.25 -0.35 |
| 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) |
|---|---|---|---|---|---|---|
| 629 (≥) | 484 (≥) | 44 | 34 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
| 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 |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.34 | - | |||
| 435 | 161 | - | 24.3 | 122 | - | ||
| 112 | - | 31 | 13.2 | 343 | 443 |
Heat treated : 1852°C - 1193°C
| DIN 17240 (1976) | Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications | DIN-17240--(1976)-.pdf |
| DIN EN 10088-1 | Stainless steels - Part 1: list of stainless steels | DIN-EN-10088-1-.pdf |
| DIN EN 10269 | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties | DIN-EN-10269-.pdf |
| DIN EN 10302 (2002) | Creep resisting steels, nickel and cobalt alloys | DIN-EN-10302--(2002).pdf |
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