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Tape, circle, wire 80NMV-VI

Tape, circle, wire 80NMV-VI

Characteristics of the alloy 80НМВ-ВИ

The grade of the alloy 80NMV-VI of the precision group refers to alloys of a precision group with a temperature-specific linear expansion coefficient (1,000,000 * TLCL in the temperature range -70 +550 ºC to 11−11.4 [1 / ºC]), which is used for soft glass connections. This group of alloys contains highly alloyed alloys. The main component of precision alloys are alloys based on iron, copper, nickel, niobium and cobalt. A precision alloy is a metal alloy that possesses physico-mechanical unique characteristics (magnetic, elastic, thermal, electrical, etc.), or an alloy that combines a number of properties due to chemical. Composition, thoroughness of processing, manufacturing and the absence of a variety of impurities. The melting point. Alloy is equal to 1450 ° C.

The chemical composition of 80NMV-VI, in percent.

P Cu, Cr Ni S C Si Mn Fe
Up to 0.015 Up to 0.2 51.5 — 52.5 Up to 0.015 Up to 0.05 Up to 0.2 Up to 0.4 46.42 — 48.5

Physical characteristics 80НМВ-ВИ.

Grad Ohm · m J / (kg · deg) MPa 1 / Grad W / (m · deg) Kg / m3
20 420   1.6     8200
T R 10 9 C E 10−5 A 10 6 L R
The physical characteristics of this grade of alloy:
— the first kind of modulus of elasticity, [MPa] — E
— Heat capacity of the material (or coefficient of heat conductivity), in [W / (m · deg)] -l
— The temperature required to obtain these properties, [Grad] — T
— linear coefficient. Temper. Expansion in [1 / Grad] (temp. Interval 20 ° C), -a
— electrical resistivity, in [Ohm · m] -R
— The density of this material, [kg / m3] -r
— Specific heat of specific material in [J / (kg · deg)] (temp. Interval 20 ° C) -C

Magnetic characteristics:

— force coercive (not higher), in [A / m] Hc
— permeability is magnetic (not higher), in [MH / m] Umax
— loss of specific (not higher) frequency 50 Hz, magnetic induction 1.0 T, in [W / kg] P1.0 / 50
— Magnetic Tl induction, the magnetic field strength is not less than 100, in a magnetic field, in [A / m] B100

Mechanical characteristics of 80NMV-VI at temperatures of 20 ° C.

Assortment ST The size Sv Heat treatment. D5 KCU For example. Y
      450−550 Annealing        
  MPa Mm MPa - % KJ / m2 - %
Mechanical characteristics:
— Strength of short-term, in [MPa] Sv
— Yield limit (proportionality limit) for deformation of residual, in [MPa] ST
— at break, the relative elongation, in [%] D5
— the restriction is relative, in [%] Y
— Impact viscosity, in [kJ / m2] KCU
— Brinell hardness, in [MPa] HB
Bounded welding  — welding is possible during heating up to the tempo. 100−120 oC and thermal further processing
Compostable  — In order to obtain welded quality joints, it is necessary to perform additional operations: during welding, heating to temper. 200−300 ° C, heat treatment (annealing) after welding.
Welded without restrictions  — welding is carried out without thermal further processing and preheating.

Buy at a bargain price

The assortment of manufactured products from the alloy 80NMV-VI, presented in LLC «Avek Global» can satisfy almost any consumer. This alloy belongs to a popular group of metal products, due to its real cost and variety of produced options. The quality of metal products is guaranteed by the absolute observance of all production technological standards. In the absence of the required type of product in the basic version, as well as in case of need of another product variant, we can produce their non-standard sizes by individual order.