SM490A

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#SM490A

Description

SM490A Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SM490A

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SM490A
		SUJ3
		SUJ3
		SUJ4
		SUJ5
		SM400A
		SM41A
		SM400B
		SM41B
		SM400C
		SM41C

Chemical composition(mass fraction)(wt.%) of the SM490A

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.2	0.55	1.6	0.035	0.035
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
				thickness≤50mm CE=0.44

Mechanical Properties of steel grade SM490A

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)
663 (≥)	519 (≥)	22	21	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade SM490A

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
12	-	-			0.24	-
864	463	-	24.3	434		-
791	-	42	21.2			132	414

Heat Treatment of steel grade SM490A

Heat treated : 1252°C - 1813°C

Technological Curves of steel grade SM490A

No Curve

Cross Reference Table (Equivalent Grade) of SM490A

Grade	Standard	Country	Application
SM490A		China	China Taiwan Structural 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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