NV8

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#NV8

Description

NV8 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: NV8

Category	Type	Steel Grade
Steel Grades	High Alloy	NV8
		NV3
		G31410
		NV4 (3140)
		G31400
		NV5 (8645)
		H86450
		NV6 (5150)
		H51500
		NV7 (4140)
		H41400

Chemical composition(mass fraction)(wt.%) of the NV8

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.35-0.45	3.60-4.20	0.20-0.40	0.030	0.040	1.85-2.50	≤0.10
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.25		≤0.25
N	Co	Pb	B	Other	trade names
					GM-8440

Mechanical Properties of steel grade NV8

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)
533 (≥)	525 (≥)	24	21	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	431

Physical Properties of steel grade NV8

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	-	-			0.44	-
219	872	-	13.3	314		-
764	-	21	12.2			211	131

Heat Treatment of steel grade NV8

Heat treated : 1774°C - 1928°C

Technological Curves of steel grade NV8

No Curve

Cross Reference Table (Equivalent Grade) of NV8

Grade	Standard	Country	Application
SAE NV8		USA	precipitation hardening
SAE HNV8	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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NV8