SM490YB

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#SM490YB

Description

SM490YB Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SM490YB

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SM490YB
		SM400C
		SM41C
		SM490A
		SM50A
		SM490B
		SM50B
		SM490C
		SM50C
		SM490YA
		SM50YA

Chemical composition(mass fraction)(wt.%) of the SM490YB

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≤100mm CE=0.47

Mechanical Properties of steel grade SM490YB

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)
889 (≥)	132 (≥)	34	42	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	231

Physical Properties of steel grade SM490YB

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
42	-	-			0.33	-
669	918	-	33.3	333		-
444	-	43	23.2			142	133

Heat Treatment of steel grade SM490YB

Heat treated : 1232°C - 1144°C

Technological Curves of steel grade SM490YB

No Curve

Cross Reference Table (Equivalent Grade) of SM490YB

Grade	Standard	Country	Application
SM490YB		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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