SCr440

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#SCr440

Description

SCr440 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCr440

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SCr440
		SMn420
		SMn433
		SMn438
		SMn443
		SMnC420
		SMnC443
		SCr415
		SCr420
		SCr430
		SCr435

Chemical composition(mass fraction)(wt.%) of the SCr440

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.44	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
		≤0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade SCr440

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)
716 (≥)	414 (≥)	21	23	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade SCr440

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
41	-	-			0.42	-
876	247	-	21.3	244		-
836	-	43	32.2			314	223

Heat Treatment of steel grade SCr440

Heat treated : 1925°C - 1831°C

Technological Curves of steel grade SCr440

No Curve

Cross Reference Table (Equivalent Grade) of SCr440

Grade	Standard	Country	Application
SCr440H		China	China Taiwan Structural steel
SCr440		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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