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Description

USA UNS SAE J 775 (2004), VF 10 Specialsteel Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: VF 10
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel VF 10 Precipitation-Hardening UNS USA Engine poppet valve information report

Chemical composition(mass fraction)(wt.%) of the VF 10

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co
0.10 -0.20 1.00 -1.40 0.50 -0.80 ≤ ≥ ≤ ≥ 19.00 -22.00 7.00 -9.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade VF 10

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)
664 (≥) 579 (≥) 33 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade VF 10

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
33 - -     0.33 -  
292 739 - 23.3 412   -  
237 - 43 32.2   221 344

Heat Treatment of steel grade VF 10

Heat treated : 1687°C - 1191°C

Technological Curves of steel grade VF 10

Cross Reference Table (Equivalent Grade) of VF 10

Relevant standard of VF 10

SAE J 775 (2004) Engine poppet valve information report SAE-J-775-(2004).pdf

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