SCr420TK

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#SCr420TK

Description

SCr420TK Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCr420TK

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCr420TK
		STK500
		STK51
		STK540
		STK55
		SCM415TK
		SCM418TK
		SCM420TK
		SCM430TK
		SCM435TK
		SCM440TK

Chemical composition(mass fraction)(wt.%) of the SCr420TK

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 SCr420TK

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)
967 (≥)	853 (≥)	33	32	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical Properties of steel grade SCr420TK

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	-	-			0.11	-
772	479	-	32.3	131		-
112	-	34	11.2			344	141

Heat Treatment of steel grade SCr420TK

Heat treated : 1487°C - 1372°C

Technological Curves of steel grade SCr420TK

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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