SCM420

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#SCM420

Description

SCM420 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM420

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCM420
		SMnC420
		SMnC443
		SCr415
		SCr420
		SCr430
		SCr435
		SCr440
		SCr445
		SCM415
		SCM418

Chemical composition(mass fraction)(wt.%) of the SCM420

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

Mechanical Properties of steel grade SCM420

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)
945 (≥)	764 (≥)	12	31	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade SCM420

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
23	-	-			0.33	-
796	767	-	43.3	123		-
871	-	22	33.2			433	322

Heat Treatment of steel grade SCM420

Heat treated : 1285°C - 1367°C

Technological Curves of steel grade SCM420

No Curve

Cross Reference Table (Equivalent Grade) of SCM420

Grade	Standard	Country	Application
SCM420H		China	China Taiwan Structural steel
SCM420		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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