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e-mail: metoteh@gmail.com

Constantan strip and foil

Calculate the mass of constantan products

Calculator "Metals and alloys". Constantan


Wire Tube Rod Tape Strip Sheet Hexahedron Corner Rectangle

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Result:
Result:

Density: g/cm³
Thickness, mm
Side 1, mm
Side 2, mm
Width, mm
Ø, mm
Wall, mm
Length
Weight

R E S E T


A specific feature of flat rolled products is the small thickness. Production of heaters for electric furnaces, as well as resistive elements of electrical appliances, does not require a large thickness of the workpieces, but high electrical resistance is required, so Constantan strip is well suited as workpieces in these areas.

In the Metotechnics Company you can buy Constantan tape. You just need to call the phone, send a request by email or make an order via the website on the page with the price list.

Grades, production technologies, sizes, delivery status, and application area for the described products are presented on this page in the appropriate sections.

Grades

Products are made of copper-nickel alloy of constantan grade CuNiMn 40-1.5, which has the following chemical composition: copper (Cu) - at least 56.2%; nickel + cobalt (Ni + Co) - 39-41%; manganese (Mn) - 1-2%; impurities.

The chemical composition of the CuNiMn 40-1.5 alloy is regulated by the GOST 492-2006.

Production

Constantan tape is produced with technological operation of rolling, which belongs to one of the most common methods of metal processing - processing under pressure. Production is carried out without heating the workpieces, so the resulting Constantan strip is cold-rolled.

Products are produced in regulated sizes. So the thickness should be in the range from 0.10 to 2.00 mm; the width - 10-300 mm. The maximum cut length is not regulated, the minimum is 10-20 m, depending on the thickness of semi-finished products.

Products are delivered both without heat treatment in the solid state, and heat treated in the soft state.

The sizes of semi-finished products, mechanical properties, delivery status, and electrical resistance are regulated by GOST 5189-75.

It is worth to consider other types of flat rolled products from constantan. These include:
  • constantan flat bar is a flat rolled product that has a finite length such as 1000 mm, 2000 mm, and other values;
  • constantan foil is a flat rolled product with a small thickness (usually less than 0.1 mm).

Application

Constantan strip has found application in electrical engineering. The alloy has a sufficiently high electrical resistance, which allows to use flat rolled products from it for the production of strip heaters. Their maximum operating temperature is 500 °C. In addition to electric furnace heaters, these products are used in electrical devices that require alloy with high electrical resistance.

Prices

The list of products available for order and prices for Constantan strip are presented on the page Constantan prices.

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