SCM418

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#SCM418

Description

SCM418 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM418

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCM418
		SMn443
		SMnC420
		SMnC443
		SCr415
		SCr420
		SCr430
		SCr435
		SCr440
		SCr445
		SCM415

Chemical composition(mass fraction)(wt.%) of the SCM418

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.16-0.21	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 SCM418

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)
355 (≥)	932 (≥)	21	21	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade SCM418

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
34	-	-			0.21	-
613	819	-	22.3	242		-
861	-	34	12.2			234	322

Heat Treatment of steel grade SCM418

Heat treated : 1831°C - 1443°C

Technological Curves of steel grade SCM418

No Curve

Cross Reference Table (Equivalent Grade) of SCM418

Grade	Standard	Country	Application
SCM418H		China	China Taiwan Structural steel
SCM418		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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