Germany DIN DIN 17240 (1976), DIN EN 10088-1, DIN EN 10269, WB 113/1 (2001), WB 113/2 (2001), X7CrNiMoBNb16-16 Specialsteel Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | X7CrNiMoBNb16-16 | DIN | Germany | Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts |
C | Si | Mn | P | S | Cr | Ni | Mo | B | Other |
---|---|---|---|---|---|---|---|---|---|
0.04 -0.10 | 0.30 -0.60 | ≤1.50 | ≤0.045 | ≤0.030 | 15.5 -17.5 | 15.5 -17.5 | 1.60 -2.00 | 0.05 -0.10 | ≤Nb / Ta ≥10*C ≤1.20 |
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) |
---|---|---|---|---|---|---|
651 (≥) | 269 (≥) | 42 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 |
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 |
---|---|---|---|---|---|---|---|
14 | - | - | 0.43 | - | |||
198 | 871 | - | 31.3 | 332 | - | ||
499 | - | 43 | 21.2 | 113 | 114 |
Heat treated : 1132°C - 1946°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 |
WB 113/1 (2001) | Heat resistant austenitic rolled and forged steel, X 8 CrNiMoBNb 16 16, WN 1.4986 | WB-113-1-(2001).pdf |
WB 113/2 (2001) | Heat resistant austenitic rolled and forged steel, CrNiMoBNb X 8 16 16, WN 1.4986 | WB-113-2-(2001).pdf |
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