SUS631

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#SUS631

Description

SUS631 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: SUS631

Category	Type	Steel Grade
Steel Grades	Stainless Steel	SUS631
		SUS420J2
		SUS420F
		SUS420F2
		SUS431
		SUS440A
		SUS440B
		SUS440C
		SUS440F
		SUS410S
		SUS630

Chemical composition(mass fraction)(wt.%) of the SUS631

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.09	1.0	1.0	0.04	0.03	16-18	6.5-7.75
Mo	Al	Cu	Nb	Ti	V	Ce
	0.75-1.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade SUS631

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)
216 (≥)	534 (≥)	33	32	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	321

Physical Properties of steel grade SUS631

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
33	-	-			0.44	-
392	164	-	23.3	211		-
852	-	32	33.2			223	444

Heat Treatment of steel grade SUS631

Heat treated : 1641°C - 1626°C

Technological Curves of steel grade SUS631

No Curve

Cross Reference Table (Equivalent Grade) of SUS631

Grade	Standard	Country	Application
SUS631	JIS	Japan	precipitation-hardening stainless
SUS631-CPS	JIS	Japan	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