SCM418H

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#SCM418H

Description

SCM418H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM418H

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCM418H
		SMn438H
		SMn443H
		SMnC 420H
		SMnC 443H
		SCr415H
		SCr420H
		SCr430H
		SCr435H
		SCr440H
		SCM415H

Chemical composition(mass fraction)(wt.%) of the SCM418H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15-0.21	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
0.15-0.3		≤0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade SCM418H

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)
233 (≥)	137 (≥)	12	12	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade SCM418H

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	-	-			0.33	-
856	268	-	41.3	411		-
352	-	21	11.2			233	314

Heat Treatment of steel grade SCM418H

Heat treated : 1865°C - 1398°C

Technological Curves of steel grade SCM418H

No Curve

Cross Reference Table (Equivalent Grade) of SCM418H

Grade	Standard	Country	Application
SCM418H		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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