SL3N440

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#SL3N440

Description

SL3N440 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SL3N440

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SL3N440
		SEV35
		SLA 235A
		SLA 235B
		SLA 325A
		SLA 325B
		SLA 365
		SLA 410
		SL2N255
		SL3N255
		SL3N275

Chemical composition(mass fraction)(wt.%) of the SL3N440

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15	0.3	0.7	0.025	0.025		3.25-3.75
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
					-110 ℃

Mechanical Properties of steel grade SL3N440

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)
347 (≥)	885 (≥)	42	12	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade SL3N440

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	-	-			0.14	-
154	354	-	13.3	423		-
332	-	12	13.2			212	111

Heat Treatment of steel grade SL3N440

Heat treated : 1453°C - 1663°C

Technological Curves of steel grade SL3N440

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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