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Description

USA SAE SAE J 775 (2004), SUH 11M Specialsteel Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUH 11M
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH 11M Precipitation-Hardening SAE USA Engine poppet valve information report

Chemical composition(mass fraction)(wt.%) of the SUH 11M

C Si Mn Cr Ni Mo Co W Al Cu Ti Fe P S
0.47 -0.55 1.00 -2.00 ≤0.60 7.50 -9.50 ≤0.60 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤0.03 ≤0.03

Mechanical Properties of steel grade SUH 11M

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)
421 (≥) 617 (≥) 13 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade SUH 11M

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 - -     0.23 -  
183 892 - 41.3 342   -  
288 - 11 32.2   144 144

Heat Treatment of steel grade SUH 11M

Heat treated : 1871°C - 1289°C

Technological Curves of steel grade SUH 11M

Relevant standard of SUH 11M

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

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