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Pyromet 31V

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Pyromet 31 PYROMET CTX-1
#Pyromet31

Description

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

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

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

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 31V

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)
998 (≥) 399 (≥) 21 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade Pyromet 31V

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 -  
796 936 - 43.3 242   -  
349 - 41 32.2   331 311

Heat Treatment of steel grade Pyromet 31V

Heat treated : 1732°C - 1828°C

Technological Curves of steel grade Pyromet 31V

Relevant standard of Pyromet 31V

SAE J 775 (2004) Engine poppet valve information report SAE-J-775-(2004).pdf
Pyromet 31 PYROMET CTX-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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...

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