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Description

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

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

Chemical composition(mass fraction)(wt.%) of the Waspaloy

C Si Mn Cr Ni Mo Co W Al Cu Ti Fe B Zr
≤0.07 ≤0.10 ≤0.10 ≤19.75 ≤remaining ≤4.45 ≤14.00 ≤ ≥ ≤1.40 ≤ ≥ ≤3.00 ≤0.75 ≤0.005 ≤0.04

Mechanical Properties of steel grade Waspaloy

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)
731 (≥) 296 (≥) 13 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade Waspaloy

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
31 - -     0.44 -  
177 568 - 21.3 311   -  
136 - 21 24.2   314 113

Heat Treatment of steel grade Waspaloy

Heat treated : 1453°C - 1413°C

Technological Curves of steel grade Waspaloy

Cross Reference Table (Equivalent Grade) of Waspaloy

Grade Standard Country Application
Waspaloy

Relevant standard of Waspaloy

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

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