• Huona (Shanghai) New Material Co., Ltd.
    Alfred***
    We received the goods, everything went fine. Perfect packaging, good product quality, good price - we are satisfied.
  • Huona (Shanghai) New Material Co., Ltd.
    May***
    The product quality is very good, beyond my expectations, the actual use of fully meet my needs, we will buy again.
  • Huona (Shanghai) New Material Co., Ltd.
    Matthew***
    I bought low expansion alloy from Joy, She is a very responsible lady, Huona's products quality is pretty good.
Contact Person : Roy
Phone Number : +86 18930254719
WhatsAPP : +8618930254719

0.22×6mm Thermostatic Bimetallic Strip M80/20/TB1480/TMB-2

Place of Origin Shanghai
Brand Name Huona
Certification ISO9001
Model Number 5J1480
Minimum Order Quantity 10KG
Price Negotiable
Packaging Details Carton/Wooden case
Delivery Time 5-21 days
Payment Terms L/C,T/T,Western Union
Supply Ability 500 tons per month
Product Details
Alloy Grade 5J1480 Dimensions Thickness 0.22mm (tolerance ±0.005mm), Width 6mm (tolerance ±0.1mm)
Linear Temperature Range -20℃ ~ 150℃ Ultimate Service Temperature -70℃ ~ 200℃
Specific Bending Coefficient High Sensitivity Grade Shape Coil / Custom Strip
Working Temperature -20℃ ~ 150℃ Limit Temperature -70℃ ~ 200℃
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0.22×6mm bimetallic thermostatic strip

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M80/20 thermostatic bimetallic strip

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TB1480 TMB-2 bimetallic strip

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Product Description

Thermostatic Bimetallic Strip M80/20 (0.22×6mm)


Product Overview


M80/20 thermostatic bimetallic strip with dimension 0.22mm × 6mm is a high expansion series precision bimetal material, composed of manganese copper high expansion alloy combined with nickel iron low expansion alloy by vacuum metallurgical compound rolling. This grade features large thermal expansion coefficient, high sensitivity, good electrical resistivity and excellent forming performance. It keeps stable reversible bending deformation under temperature variation, widely applied for thermostat control switch, motor overload protection, household appliance temperature controller and instrument temperature compensation parts.

Domestic & International Equivalent Grades


  • China: M80/20
  • USA: ASTM TM1 / TM140, FPA 8020
  • Germany: TB8020, Bimetall 80/20
  • Japan: TMB-2
  • Russia: ТБ80/20

Core Specifications & Parameters


  • Alloy Grade: M80/20.8
  • Dimensions: Thickness 0.22mm (tolerance ±0.005mm), Width 6mm (tolerance ±0.1mm)
  • Form: Coil, standard length 200m per roll, custom cutting available
  • Linear temperature range: -20℃ ~ 150℃
  • Ultimate service temperature: -70℃ ~ 200℃
  • Specific bending coefficient: High sensitivity grade
  • Surface finish: Bright pickled surface, uniform texture without oxidation
  • Executive standard: GB/T 4461, ASTM B388, RoHS & REACH compliant
  • Manufacturer: ISO 9001 certified factory

Key Core Advantages


  1. High Thermal Sensitivity

    M80/20 owns excellent thermal expansion difference, obvious bending displacement with small temperature change, fast response, perfect for high sensitive temperature control components.

  2. Excellent Composite Bonding Performance

    Adopts vacuum composite rolling process, tight combination between layers, no delamination after long-term repeated thermal cycling, stable service life.

  3. Good Mechanical & Processing Performance

    Moderate hardness and good ductility, easy for stamping, bending, punching and welding, can be processed into various small-size bimetallic sensing elements.

  4. High Electrical Resistivity

    With stable high resistivity property, suitable for self-heating type thermal switch and overload protection components, simplify internal circuit design.

  5. Stable Environmental Adaptability

    Good atmospheric corrosion resistance and thermal fatigue resistance, suitable for household appliances, industrial electrical, automotive electronics and general industrial environment long-term use.


Technical Specification Table


Attribute Specification
Alloy Grade M80/20
Thickness 0.22mm ±0.005mm
Width 6mm ±0.1mm
Shape Coil / Custom strip
Working Temperature -20℃ ~ 150℃
Limit Temperature -70℃ ~ 200℃
Surface Bright pickled
Standard GB/T 4461, ASTM B388

Product Supply Specification


  • Supply form: Full coil or fixed length cutting
  • Packaging: Anti-rust paper + plastic film + wooden reel, moisture-proof and anti-oxidation
  • MOQ: Small batch available for sample and bulk order
  • Customization: Thickness, width, length and surface treatment can be customized

Typical Application


Household appliance thermostat, motor overload protector, electric heating appliance temperature control switch, instrument temperature compensation element, automotive electronic thermal sensing parts, industrial electrical temperature controller and safety protection components.