SUS 440A

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#SUS-440A

Description

Japan JIS G 4303 (2012), SUS 440A Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 440A

Category	Class	Grade	Type	Standard	Country	Application
Steel Grades	Specialsteel	SUS 440A	Martensite	JIS	Japan	Stainless steel bars

Chemical composition(mass fraction)(wt.%) of the SUS 440A

C	Si	Mn	P	S	Cr	Ni	Mo	N
0.60 -0.75	≤1.00	≤1.00	≤0.04	≤0.03	16.00 -18.00	≤0.60	≤0.75	≤ ≥

Mechanical Properties of steel grade SUS 440A

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)
559 (≥)	877 (≥)	22	13	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	442

Physical Properties of steel grade SUS 440A

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	-	-			0.22	-
624	148	-	33.3	233		-
496	-	23	32.2			132	333

Heat Treatment of steel grade SUS 440A

Heat treated : 1821°C - 1235°C

Technological Curves of steel grade SUS 440A

No Curve

Relevant standard of SUS 440A

G 4303 (2012)

Stainless steel bars

G-4303-(2012).pdf

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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Cold rolled/hot rolled

Wire rod

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