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SUS431

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SUS420F2 SUS440A
#SUS431

Description

Japan JIS SUS431 Martensitic special steel and SUS431 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS431
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS431 JIS Japan Martensitic special steel
SUSXM27
SUS403
SUS410
SUS410J1
SUS410F2
SUS416
SUS420J1
SUS420J2
SUS420F
SUS420F2

Chemical composition(mass fraction)(wt.%) of the SUS431

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.20 Max 1.00 Max 1.00 Max 0.04 Max 0.03 15.0-17.0 1.25-2.50

Mechanical Properties of steel grade SUS431

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)
419 (≥) 278 (≥) 23 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade SUS431

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
43 - -     0.32 -  
584 145 - 41.3 413   -  
768 - 31 42.2   322 241

Heat Treatment of steel grade SUS431

Heat treated : 1466°C - 1988°C

Technological Curves of steel grade SUS431

Cross Reference Table (Equivalent Grade) of SUS431

Grade Standard Country Application
SUS431 JIS Japan Martensitic special steel
SUS431FB JIS Japan martensitic stainless steel
SUS420F2 SUS440A
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Jiangyou Longhai Special Steel Co.,Ltd.
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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