SUS431

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#SUS431

Description

SUS431 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: SUS431

Category	Type	Steel Grade
Steel Grades	Stainless Steel	SUS431
		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
0.2	1.0	1.0	0.04	0.03	15-17	1.25-2.5
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade SUS431

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
132 (≥)	251 (≥)	24	31	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	324

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
41	-	-			0.23	-
748	414	-	13.3	114		-
286	-	43	31.2			414	433

Heat Treatment of steel grade SUS431

Heat treated : 1496°C - 1849°C

Technological Curves of steel grade SUS431

No Curve

Cross Reference Table (Equivalent Grade) of SUS431

Grade	Standard	Country	Application
SUS431	JIS	Japan	Martensitic special steel
SUS431FB	JIS	Japan	martensitic stainless steel

Available Suppliers

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...

Rfq.: sales@longhaisteel.com

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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy