STKN400B

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#STKN400B

Description

STKN400B Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: STKN400B

Category	Type	Steel Grade
Steel Grades	Carbon Steel	STKN400B
		SNB24-1~5
		SN400A
		SN400B
		SN400C
		SN490B
		SN490C
		SNR400A
		SNR400B
		SNR490B
		STKN400W

Chemical composition(mass fraction)(wt.%) of the STKN400B

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25	0.35	1.4	0.03	0.015
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
≤0.006

Mechanical Properties of steel grade STKN400B

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)
275 (≥)	474 (≥)	22	42	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade STKN400B

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
11	-	-			0.43	-
975	877	-	44.3	424		-
781	-	33	34.2			442	244

Heat Treatment of steel grade STKN400B

Heat treated : 1468°C - 1717°C

Technological Curves of steel grade STKN400B

No Curve

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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