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SUS 431

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SUS 420 F2 SUS 431
#SUS-431

Description

Japan JIS G 4303 (2012), SUS 431 Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 431
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 431 Martensite JIS Japan Stainless steel bars

Chemical composition(mass fraction)(wt.%) of the SUS 431

C Si Mn P S Cr Ni Mo N
≤0.20 ≤1.00 ≤1.00 ≤0.04 ≤0.03 15.00 -17.00 1.25 -2.50 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade SUS 431

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)
947 (≥) 937 (≥) 33 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade SUS 431

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
21 - -     0.22 -  
931 325 - 23.3 243   -  
546 - 12 31.2   434 332

Heat Treatment of steel grade SUS 431

Heat treated : 1114°C - 1269°C

Technological Curves of steel grade SUS 431

Relevant standard of SUS 431

G 4303 (2012) Stainless steel bars G-4303-(2012).pdf
SUS 420 F2 SUS 431
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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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