SD345

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#SD345

Description

SD345 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SD345

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SD345
		SNR400A
		SNR400B
		SNR490B
		STKN400W
		STKN400B
		STKN490B
		SR235
		SR295
		SD295A
		SD295B

Chemical composition(mass fraction)(wt.%) of the SD345

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.27	0.55	1.6	0.04	0.04
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other	C+Mn/6
				бs/mpa 345-440	≤0.5

Mechanical Properties of steel grade SD345

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)
698 (≥)	374 (≥)	43	43	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade SD345

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
21	-	-			0.13	-
932	454	-	13.3	141		-
158	-	13	13.2			343	234

Heat Treatment of steel grade SD345

Heat treated : 1542°C - 1954°C

Technological Curves of steel grade SD345

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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