SN490C

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#SN490C

Description

SN490C Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SN490C

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SN490C
		SNB7
		SNB16
		SNB21-1~5
		SNB22-1~5
		SNB23-1~5
		SNB24-1~5
		SN400A
		SN400B
		SN400C
		SN490B

Chemical composition(mass fraction)(wt.%) of the SN490C

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.18-0.22	0.55	1.6	0.02	0.008
Mo	Al	Cu	Nb	Ti	V	Ce
						0.44-0.46
N	Co	Pb	B	Other
				Thickness 16~100/mm

Mechanical Properties of steel grade SN490C

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)
579 (≥)	358 (≥)	42	12	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	243

Physical Properties of steel grade SN490C

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
11	-	-			0.42	-
288	433	-	22.3	412		-
814	-	22	23.2			243	224

Heat Treatment of steel grade SN490C

Heat treated : 1272°C - 1883°C

Technological Curves of steel grade SN490C

No Curve

Cross Reference Table (Equivalent Grade) of SN490C

Grade	Standard	Country	Application
SN490C		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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