SCM420TK

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#SCM420TK

Description

SCM420TK Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM420TK

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCM420TK
		STK400
		STK41
		STK490
		STK50
		STK500
		STK51
		STK540
		STK55
		SCM415TK
		SCM418TK

Chemical composition(mass fraction)(wt.%) of the SCM420TK

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.18-0.23	0.15-0.35	0.6-0.85	0.03	0.03	0.9-1.2	≤0.25
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.3		≤0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade SCM420TK

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)
657 (≥)	777 (≥)	44	12	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade SCM420TK

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
21	-	-			0.31	-
137	954	-	13.3	322		-
246	-	41	42.2			312	434

Heat Treatment of steel grade SCM420TK

Heat treated : 1588°C - 1614°C

Technological Curves of steel grade SCM420TK

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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