France AFNOR NF EN 10088-1, NF EN 10088-2, NF EN 10088-3, NF EN 10151, NF EN 10263-5, NF EN 10264-4 (2002), NF EN 10270-3, X10CrNi18-8 Specialsteel Steel wire for mechanical springs - Part 3: Stainless spring steel wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X10CrNi18-8 | Austenite | AFNOR | France | Steel wire for mechanical springs - Part 3: Stainless spring steel wire | 
| C | Si | Mn | P | S | Cr | Mo | Ni | N | 
|---|---|---|---|---|---|---|---|---|
| 0.05 -0.15 | ≤2.00 | ≤2.00 | ≤0.045 | ≤0.015 | 16.00 -19.00 | ≤0.08 | 6.00 -9.50 | ≤0.11 | 
| 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) | 
|---|---|---|---|---|---|---|
| 681 (≥) | 122 (≥) | 23 | 11 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.12 | - | |||
| 971 | 975 | - | 23.3 | 244 | - | ||
| 898 | - | 21 | 22.2 | 214 | 221 | 
Heat treated : 1332°C - 1791°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| X10CrNi18-8 | |||
| GX10CrNi18-8 | |||
| X10CrNi18-8 | |||
| X10CrNi18-8 | 
| NF EN 10088-1 | Stainless steels - Part 1: List of stainless steels | NF-EN-10088-1.pdf | 
| NF EN 10088-2 | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes | NF-EN-10088-2.pdf | 
| NF EN 10088-3 | Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes | NF-EN-10088-3.pdf | 
| NF EN 10151 | Stainless steel strip for springs - Technical delivery conditions | NF-EN-10151.pdf | 
| NF EN 10263-5 | Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels | NF-EN-10263-5.pdf | 
| NF EN 10264-4 (2002) | Steel wire and wire products - Steel wire for ropes - Part 4: Stainless steel wire | NF-EN-10264-4-(2002).pdf | 
| NF EN 10270-3 | Steel wire for mechanical springs - Part 3: Stainless spring steel wire | NF-EN-10270-3.pdf | 
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