N09979

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#N09979

Description

N09979 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: N09979

Category	Type	Steel Grade
Steel Grades	High Alloy	N09979
		S63199
		653
		660
		S66286
		661
		R30155
		662
		S66220
		663
		664

Chemical composition(mass fraction)(wt.%) of the N09979

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.06	0.20	0.25			14.90	44.30
Mo	Al	Cu	Nb	Ti	V	Ce
4.05	1.05			3.00
N	Co	Pb	B	Other	Approximate rnumbe
			0.01	Fe... W 3.65	D979

Mechanical Properties of steel grade N09979

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)
531 (≥)	117 (≥)	12	31	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade N09979

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	-	-			0.31	-
463	185	-	21.3	431		-
727	-	23	34.2			313	221

Heat Treatment of steel grade N09979

Heat treated : 1858°C - 1932°C

Technological Curves of steel grade N09979

No Curve

Cross Reference Table (Equivalent Grade) of N09979

Grade	Standard	Country	Application
UNS N09979	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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