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665 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 665

Category	Type	Steel Grade
Steel Grades	High Alloy	665
		653
		660
		S66286
		661
		R30155
		662
		S66220
		663
		664
		N09979

Chemical composition(mass fraction)(wt.%) of the 665

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.03	0.80	1.65			13.50	26.00
Mo	Al	Cu	Nb	Ti	V	Ce
1.75	0.15			3.00
N	Co	Pb	B	Other	Approximate rnumbe
			0.02	Fe...	W-545

Mechanical Properties of steel grade 665

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)
611 (≥)	453 (≥)	32	32	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade 665

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
12	-	-			0.12	-
858	396	-	14.3	333		-
546	-	22	34.2			343	222

Heat Treatment of steel grade 665

Heat treated : 1364°C - 1811°C

Technological Curves of steel grade 665

No Curve

Cross Reference Table (Equivalent Grade) of 665

Grade	Standard	Country	Application
AISI 665	AISI	USA	precipitation hardening
UNS S66545	UNS	USA	precipitation hardening

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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665