ISO ISO ISO X85CrMoV18 2 ISO standard valve martensite steel and ISO X85CrMoV18 2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | ISO X85CrMoV18 2 | ISO | ISO | ISO standard valve martensite steel | 
| ISO X8NiCrAlTi32 21 | |||||
| ISO H18 | |||||
| ISO NiCr15Fe8 | |||||
| ISO H20 | |||||
| ISO NiCr20Ti | |||||
| ISO H21 | |||||
| ISO H22 | |||||
| ISO NiCr22Mo9Nb | |||||
| ISO X50CrSi8 2 | |||||
| ISO X45CrSi9 3 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | V(%) | 
|---|---|---|---|---|---|---|---|
| 0.80-0.90 | Max 1.00 | Max 1.50 | Max 0.04 | Max 0.03 | 16.5-18.5 | 2.00-2.50 | 0.30-0.60 | 
| 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) | 
|---|---|---|---|---|---|---|
| 113 (≥) | 614 (≥) | 34 | 43 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.34 | - | |||
| 146 | 775 | - | 24.3 | 444 | - | ||
| 493 | - | 24 | 42.2 | 212 | 234 | 
Heat treated : 1372°C - 1255°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| X85CrMoV18-2 | DIN | Germany | Valve steel | 
| X85CrMoV18-2 | AFNOR | France | Valve Internal Combustion Engines steel (NF-EN 1009-1998) | 
| ISO X85CrMoV18 2 | ISO | ISO | ISO standard valve martensite steel | 
| EN X85CrMoV18-2 | EN | Euronorm | Euronorm Stainless Steel | 
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