SUS440A

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#SUS440A

Description

SUS440A Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: SUS440A

Category	Type	Steel Grade
Steel Grades	Stainless Steel	SUS440A
		SUS403
		SUS410
		SUS410J1
		SUS410F2
		SUS416
		SUS420J1
		SUS420J2
		SUS420F
		SUS420F2
		SUS431

Chemical composition(mass fraction)(wt.%) of the SUS440A

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.6-0.75	1.0	1.0	0.04	0.03	16-18	≤0.6
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.6
N	Co	Pb	B	Other

Mechanical Properties of steel grade SUS440A

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 (≥)	238 (≥)	32	34	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	322

Physical Properties of steel grade SUS440A

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
22	-	-			0.23	-
437	244	-	13.3	142		-
952	-	23	32.2			231	434

Heat Treatment of steel grade SUS440A

Heat treated : 1967°C - 1273°C

Technological Curves of steel grade SUS440A

No Curve

Cross Reference Table (Equivalent Grade) of SUS440A

Grade	Standard	Country	Application
SUS440A	JIS	Japan	Martensitic special 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