SCr420H

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#SCr420H

Description

SCr420H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCr420H

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCr420H
		SNCM630
		SNCM815
		SACM645
		SMn420H
		SMn433H
		SMn438H
		SMn443H
		SMnC 420H
		SMnC 443H
		SCr415H

Chemical composition(mass fraction)(wt.%) of the SCr420H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.15-0.35	0.55-0.9	0.03	0.03	0.85-1.25	≤0.25
Mo	Al	Cu	Nb	Ti	V	Ce
		≤0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade SCr420H

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)
795 (≥)	492 (≥)	24	34	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	233

Physical Properties of steel grade SCr420H

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
44	-	-			0.33	-
415	929	-	11.3	222		-
543	-	14	44.2			411	213

Heat Treatment of steel grade SCr420H

Heat treated : 1154°C - 1245°C

Technological Curves of steel grade SCr420H

No Curve

Cross Reference Table (Equivalent Grade) of SCr420H

Grade	Standard	Country	Application
SCr420H		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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