Gost 5307-77. Constantanium non-insulated wire. Technical conditions.

Gost 1790-77
GOST 22666-77
GOST 1791-67
Tu 48-21-686-80
Tu 48-21-172-72
Tu 48-21-128-72
GOST 5307-77
GOST 5189-75
GOST 1173-93
Gost 495-92
GOST 546-2001

Percentage composition of constantan MNMz40-1.5

Ni+Co Fe C Si Mn S P Cu As Pb Mg Sb Bi Impurities
39 - 41 ≤0.5 ≤0.1 ≤0.1 1 - 2 ≤0.02 ≤0.005 56.1 - 60 ≤0.01 ≤0.005 ≤0.05 ≤0.002 ≤0.002 ≤0.9

Specific electrical resistance

State of metal
 Specific electrical resistance
at 20-25°C, μOhm
Soft
 0,465 ±0,015
Hard
 0,490 ±0,030

Delivery

Quantity of skeins (coils) in the party, pcs.
 Quantity of controllable skeins (coils), pcs.
 Inspection number
6-50
 5
 1
51-150
 20
 2
151-280
 32
 3
281-500
 50
 4
501-1200
 80
 6
1201-3200
 125
 8

Testing

Constantanium non-insulated wire shall be subjected to tests - tensile, and hydrostatic or non-destructive electrical test. Constantanium non-insulated wire according to GOST 5307-77 must meet the required mechanical properties - ultimate tensile strength, yield strength, relative elongation.

The supplier

Supplier Evek GmbH offers to buy non-insulated constantan wire, the price is the most optimal in this segment of rolled products. We offer a wire of constantan non-insulated (GOST 5307-77) from the specialized warehouses of Evek GmbH with delivery in any city.

Buy, best price

On a site of the company information about last arrivals of production is placed. We offer the best price-quality ratio. Timely delivery is guaranteed by our representative offices in Eastern Europe.