SCM440

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#SCM440

Description

SCM440 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM440

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCM440
		SCr440
		SCr445
		SCM415
		SCM418
		SCM420
		SCM421
		SCM425
		SCM430
		SCM432
		SCM435

Chemical composition(mass fraction)(wt.%) of the SCM440

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.43	0.15-0.35	0.3-0.6	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 SCM440

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)
593 (≥)	645 (≥)	23	24	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	212

Physical Properties of steel grade SCM440

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	-	-			0.44	-
144	248	-	21.3	222		-
698	-	43	42.2			323	312

Heat Treatment of steel grade SCM440

Heat treated : 1225°C - 1951°C

Technological Curves of steel grade SCM440

No Curve

Cross Reference Table (Equivalent Grade) of SCM440

Grade	Standard	Country	Application
SCM440H		China	China Taiwan Structural steel
SCM440		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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