HF-70

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#HF-70

Description

HF-70 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: HF-70

Category	Type	Steel Grade
Steel Grades	Carbon Steel	HF-70
		EX-Ten 65
		EX-Ten 70
		EX-Ten F45
		EX-Ten F50
		EX-Ten F60
		EX-Ten F70
		EX-Ten F80
		Full Hard
		HF-50
		HF-60

Chemical composition(mass fraction)(wt.%) of the HF-70

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15		1.4
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
		≥0.005

Mechanical Properties of steel grade HF-70

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)
383 (≥)	487 (≥)	33	44	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	322

Physical Properties of steel grade HF-70

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
14	-	-			0.23	-
238	512	-	13.3	422		-
856	-	13	24.2			244	334

Heat Treatment of steel grade HF-70

Heat treated : 1845°C - 1986°C

Technological Curves of steel grade HF-70

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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