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0.8mm Thickness Ni20Mn6 Bimetallic Strip -20 ~ 180 ℃ Linear Temperature

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Ohmalloy Material Co.,Ltd
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-66796338
Contact Person:
Mr Qiu

0.8mm Thickness Ni20Mn6 Bimetallic Strip -20 ~ 180 ℃ Linear Temperature

Brand Name : OHMALLOY
Model Number : 5J1580
Certification : SGS, ISO, RoHS
Place of Origin : China(Shanghai)
MOQ : 20 KG
Price : negotiable
Payment Terms : L/C, D/A, D/P, T/T, Western Union
Supply Ability : 10000 KG per month
Delivery Time : 20 working days
Packaging Details : Spool or Coil + Waterproof paper + Wooden case
Common Name : Kanthal 155
Material : Ni20Mn6 / Ni36
High expansion layer : Ni20Mn6
Low expansion layer : Ni36
Condition : Soft
Surface : Bright
Thickness : 0.1~5mm
Width : 5~120mm
Density : 8.1 g/cm3
Elongation : more than 30%
Package : Spool, Coil, Wooden case
Linear temperature : -20~ 180 ℃
Allowable temperature : -70~ 350 ℃
Elastic Modulus, E/ Gpa : 147~177
Electrical resistivity at 20℃(Ωmm2/m) : 0.8±5%
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0.8mm Thickness Ni20Mn6 Bimetallic Strip -20 ~ 180 ℃ Linear Temperature

Ohmalloy 5J1580 / Kanthal 155 Strip for Bimetalic Thermostat elements

OhmAlloy-5J1580 (Bimetallic strip)

(Common Name: Kanthal 155)

Bimetallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper, or in some cases steel and brass. The strips are joined together throughout their length by riveting, brazing or welding. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature. The metal with the higher coefficient of thermal expansion is on the outer side of the curve when the strip is heated and on the inner side when cooled

The sideways displacement of the strip is much larger than the small lengthways expansion in either of the two metals. This effect is used in a range of mechanical and electrical devices. In some applications the bimetal strip is used in the flat form. In others, it is wrapped into a coil for compactness. The greater length of the coiled version gives improved sensitivity.

Application: The material is mainly in automatic control devices and instrumentation (eg: exhaust thermometers, thermostats, voltage regulators, temperature relay, automatic protection switching, diaphragm meters, etc.) make temperature control, temperature compensation, current limit, temperature indicator and other heat-sensitive components.

Feature: The basic characteristics of Thermostat Bimetallic is bending deformation with temperature changes, resulting in a certain moment.
Thermostat Bimetallic Strip expansion coefficient is different from the two or more layers of metal or alloy along the entire contact surface firmly bonded, having a temperature-dependent shape change occurs thermosensitive functional composites. Wherein the higher expansion coefficient of the active layer is a layer called a low coefficient of expansion of the layer is named passive layer.


Grade 5J1580

High expansion layer - Ni20Mn6

Low expansion layer - Ni36

Chemical composition(%)



Typical Physical properties

Density (g/cm3)8.1
Electrical resistivity at 20℃(Ωmm2/m)0.8±5%
Thermal conductivity, λ/ W/(m*℃)12
Elastic Modulus, E/ Gpa147~177
Bending K / 10-6-1(20~135℃)15
Temperature bending rate F/(20~130℃)10-6-128.5%±5%
Allowable temperature (℃)-70~ 350
Linear temperature (℃)-20~ 180

Style of supply

Alloys NameTypeDimension
OhmAlloy-5J1480StripW= 5~120mmT= 0.1mm

Sales Manager:Michaeal Qiu.

What's App:+86 13795230939

Tel:+86-21-66796338 Mobile Phone: +86 13795230939


1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.

2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.

Product Tags:

bi metal strip


bimetallic material

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