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Pyromet 31

Favorite Datasheet
PH 15-7 Mo Pyromet 31V
#Pyromet31

Description

USA UNS SAE J 775 (2004), Pyromet 31 Specialsteel Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Pyromet 31
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel Pyromet 31 Precipitation-Hardening UNS USA Engine poppet valve information report

Chemical composition(mass fraction)(wt.%) of the Pyromet 31

C Si Mn Cr Ni Mo Co W Al Cu Ti Fe B P S
0.03 -0.06 ≤0.20 ≤0.20 22.00 -23.00 55.00 -58.00 1.70 -2.30 ≤ ≥ ≤ ≥ 1.00 -1.70 0.60 -1.20 2.10 -2.60 ≤remaining 0.003 -0.007 ≤0.015 ≤0.015

Mechanical Properties of steel grade Pyromet 31

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)
541 (≥) 295 (≥) 32 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade Pyromet 31

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
32 - -     0.44 -  
828 923 - 24.3 131   -  
761 - 13 21.2   123 134

Heat Treatment of steel grade Pyromet 31

Heat treated : 1486°C - 1662°C

Technological Curves of steel grade Pyromet 31

Relevant standard of Pyromet 31

SAE J 775 (2004) Engine poppet valve information report SAE-J-775-(2004).pdf
PH 15-7 Mo Pyromet 31V
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