SD390

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#SD390

Description

SD390 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SD390

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SD390
		SNR400B
		SNR490B
		STKN400W
		STKN400B
		STKN490B
		SR235
		SR295
		SD295A
		SD295B
		SD345

Chemical composition(mass fraction)(wt.%) of the SD390

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.29	0.55	1.8	0.04	0.04
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other	C+Mn/6
				бs/mpa 390-510	≤0.55

Mechanical Properties of steel grade SD390

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)
616 (≥)	451 (≥)	12	21	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade SD390

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
22	-	-			0.23	-
411	394	-	43.3	223		-
158	-	34	13.2			341	144

Heat Treatment of steel grade SD390

Heat treated : 1169°C - 1193°C

Technological Curves of steel grade SD390

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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