Alloy Nv3v

Designation

Name	The value
Designation GOST Cyrillic	НВ3в
Designation GOST Latin	HB3b
Transliteration	NV3v
By chemical elements	NiВ3в

Description

Alloy Nv3v used: for the production of forged bars, rods, foil, tape, strips, thin-walled tubes used in electronics and other industries; the cathodes.

Note

Alloy vacuum smelting.

Standards

Name	Code	Standards
Tubes of non-ferrous metals and alloys	В64	GOST 13548-77
Non-ferrous metals, including rare, and their alloys	В51	GOST 19241-80, GOST 28873-90
Tape	В54	GOST 2170-73
Bars	В55	TU 48-0814-115-2000
Sheets and strips	В53	TU 48-21-190-82

Chemical composition

Standard	C	S	P	Mn	Si	Ni	Fe	Cu	Al	Zn	Sn	Sb	Pb	Bi	W	O	Mg	Cd
TU 48-0814-115-2000	≤0.08	≤0.003	≤0.001	≤0.01	≤0.006	Rest	≤0.04	≤0.02	≤0.01	≤0.004	≤0.001	≤0.001	≤0.002	≤0.001	2.5-3.5	≤0.003	≤0.04	≤0.001

Ni is the basis.
According to GOST 19241-80, the total content of Ni + Co is ≥ 96.0%. The oxygen content is indicated for the alloy in ingots. At the request of the consumer, the alloy should be made with a mass fraction of magnesium 0.015-0.040%.
According to TU 48-0814-115-2000 at the request of the consumer, the alloy can be supplied with a mass fraction of magnesium in the range of 0.015-0.040%.

Mechanical properties

σ_U, MPa	d₅, %	d₁₀
Tape supplied according to GOST 2170-73 (samples)
≥340	≥31	≥30
≥440	≥12	≥10
≥540	≥3	≥2

Description mechanical marks

Name	Description
σ_U	Limit short-term strength
d₅	Elongation after rupture
d₁₀	Elongation after rupture