SGC340

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#SGC340

Description

SGC340 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SGC340

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SGC340
		SCMV6
		SCMQ4E
		SCMQ4V
		SCMQ5V
		SGH340
		SGH400
		SGH440
		SGH490
		SGH540
		SGH C

Chemical composition(mass fraction)(wt.%) of the SGC340

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25	No provisions	1.7	0.2	0.05
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade SGC340

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)
426 (≥)	556 (≥)	41	32	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	433

Physical Properties of steel grade SGC340

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	-	-			0.21	-
895	756	-	13.3	143		-
138	-	21	21.2			432	344

Heat Treatment of steel grade SGC340

Heat treated : 1753°C - 1571°C

Technological Curves of steel grade SGC340

No Curve

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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