NV9

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#NV9

Description

NV9 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: NV9

Category	Type	Steel Grade
Steel Grades	High Alloy	NV9
		G31410
		NV4 (3140)
		G31400
		NV5 (8645)
		H86450
		NV6 (5150)
		H51500
		NV7 (4140)
		H41400
		NV8

Chemical composition(mass fraction)(wt.%) of the NV9

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.39	0.25	0.75
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade NV9

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)
189 (≥)	551 (≥)	42	31	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	142

Physical Properties of steel grade NV9

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
42	-	-			0.14	-
951	463	-	43.3	421		-
494	-	42	42.2			314	344

Heat Treatment of steel grade NV9

Heat treated : 1794°C - 1293°C

Technological Curves of steel grade NV9

No Curve

Cross Reference Table (Equivalent Grade) of NV9

Grade	Standard	Country	Application
SAE NV9	SAE	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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NV9