France AFNOR NF EN 10090, 1.4748 Specialsteel Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 1.4748 | AFNOR | France | Valve steels and alloys for internal combustion engines |
C | Si | Mn | P | S | Cr | Ni | Mo | V |
---|---|---|---|---|---|---|---|---|
0.80 -0.90 | ≤1.50 | ≤1.50 | ≤0.040 | ≤0.030 | 16.50 -18.50 | ≤ ≥ | 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) |
---|---|---|---|---|---|---|
774 (≥) | 841 (≥) | 34 | 44 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 |
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 |
---|---|---|---|---|---|---|---|
13 | - | - | 0.32 | - | |||
933 | 777 | - | 21.3 | 443 | - | ||
599 | - | 41 | 31.2 | 141 | 413 |
Heat treated : 1467°C - 1231°C
Grade | Standard | Country | Application |
---|---|---|---|
X85CrMoV18-2 | |||
X85CrMoV18-2 |
NF EN 10090 | Valve steels and alloys for internal combustion engines | NF-EN-10090.pdf |
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com