SM400A

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#SM400A

Description

SM400A Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SM400A

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SM400A
		S65C-CSP
		S70C-CSP
		SK85-CSP
		SK55-CSP
		SUP10-CSP
		SUJ2
		SUJ3
		SUJ3
		SUJ4
		SUJ5

Chemical composition(mass fraction)(wt.%) of the SM400A

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.23		≥2.5 x C	0.035	0.035
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
				thickness≤50mm CE=0.44

Mechanical Properties of steel grade SM400A

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)
627 (≥)	228 (≥)	41	42	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	332

Physical Properties of steel grade SM400A

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
42	-	-			0.42	-
335	169	-	42.3	124		-
852	-	42	13.2			112	413

Heat Treatment of steel grade SM400A

Heat treated : 1656°C - 1153°C

Technological Curves of steel grade SM400A

No Curve

Cross Reference Table (Equivalent Grade) of SM400A

Grade	Standard	Country	Application
SM400A		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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