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China factory - Huona (Shanghai) New Material Co., Ltd.

Huona (Shanghai) New Material Co., Ltd.

  • China,Shanghai ,Shanghai
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  3. 0.22×4mm ASTM TM-8/5J14140/TB14140/ ТБ160/122/TM-1 Thermostatic Bimetallic Strip
China 0.22×4mm ASTM TM-8/5J14140/TB14140/ ТБ160/122/TM-1 Thermostatic Bimetallic Strip
China 0.22×4mm ASTM TM-8/5J14140/TB14140/ ТБ160/122/TM-1 Thermostatic Bimetallic Strip

  1. China 0.22×4mm ASTM TM-8/5J14140/TB14140/ ТБ160/122/TM-1 Thermostatic Bimetallic Strip

0.22×4mm ASTM TM-8/5J14140/TB14140/ ТБ160/122/TM-1 Thermostatic Bimetallic Strip

  1. MOQ： 10KG
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms L/C,T/T,Western Union
Supply Ability 500 tons per month
Delivery Time 5-21 days
Packaging Details Carton/Wooden case
Alloy Grade 5J14140
Thickness 0.22mm
Width 4mm
Form Coil
Specific Bending (20~100℃) 260~280×10⁻⁶/℃
Operating Temperature Range -20℃ ~ +150℃ (continuous); -70℃ ~ +200℃ (ultimate)
Electrical Resistivity (20℃) 1.4~1.6μΩ·m
Tensile Strength Tensile Strength
Brand Name Huona
Model Number 5J14140
Certification ISO9001
Place of Origin Shanghai

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T,Western Union Supply Ability 500 tons per month
Delivery Time 5-21 days Packaging Details Carton/Wooden case
Alloy Grade 5J14140 Thickness 0.22mm
Width 4mm Form Coil
Specific Bending (20~100℃) 260~280×10⁻⁶/℃ Operating Temperature Range -20℃ ~ +150℃ (continuous); -70℃ ~ +200℃ (ultimate)
Electrical Resistivity (20℃) 1.4~1.6μΩ·m Tensile Strength Tensile Strength
Brand Name Huona Model Number 5J14140
Certification ISO9001 Place of Origin Shanghai
High Light thermostatic bimetallic strip 0.22×4mm ，ASTM TM-8 bimetallic strip ，thermostatic strip TB14140
5J14140 Thermostatic Bimetallic Strip (0.22×4mm)

Product Overview

5J14140 thermostatic bimetallic strip (0.22mm thickness × 4mm width) from Huona New Material is a precision composite material compliant with GB/T 4461 standard, classified as a medium-sensitivity and high-resistivity thermostatic bimetal. It is manufactured by vacuum composite rolling of a high-expansion active layer (Mn72Ni10Cu18) and a low-expansion passive layer (Ni36). This grade combines moderate thermal sensitivity, high electrical resistivity, and good corrosion resistance, making it suitable for temperature control, compensation, and overload protection components in the medium temperature range (-20~150℃). It is a core material for temperature control in industrial electrical appliances and smart home devices.

Domestic & International Corresponding Grades

  • China: 5J14140 (GB/T 4461)
  • USA: ASTM TM-8, FPA 721-140
  • Germany: TB14140
  • Russia: ТБ160/122 (ТБ1613)
  • Japan: TM-1

Core Specifications & Parameters

  • Alloy Grade: 5J14140 (Equivalent to ASTM TM-8, FPA 721-140)
  • Dimensions: Thickness 0.22mm (Tolerance: ±0.005mm); Width 4mm (Tolerance: ±0.08mm)
  • Form: Coil (Standard length: 200m/roll); Custom cut-to-size available
  • Layer Structure: Active layer (Mn72Ni10Cu18) + Passive layer (Ni36), no intermediate layer
  • Linear Temperature Range: -20℃ ~ +150℃; Ultimate Service Temperature: -70℃ ~ +200℃
  • Specific Bending (20~100℃): 260~280×10⁻⁶/℃
  • Electrical Resistivity (20℃): 1.4~1.6μΩ·m
  • Tensile Strength: ≥520MPa
  • Elongation: ≥18%
  • Bonding Strength: ≥150MPa (No delamination under thermal cycling)
  • Compliant Standards: GB/T 4461-2016, ASTM B388, RoHS 2.0, REACH
  • Manufacturer: Huona New Material (Shanghai) Co., Ltd., certified to ISO 9001 and IATF 16949

Key Core Advantages

1. Balanced Thermal Sensitivity & Stability

With a specific bending of 260~280×10⁻⁶/℃ (20~100℃), it provides moderate thermal response sensitivity, which is suitable for scenarios requiring stable and predictable bending deformation without excessive sensitivity. It maintains excellent thermal stability in the medium temperature range (-20~150℃), with no permanent deformation after repeated thermal cycling.

2. High Electrical Resistivity

The resistivity of 1.4~1.6μΩ·m (20℃) is significantly higher than that of ordinary bimetallic strips, making it ideal for temperature control components integrated with heating functions (such as thermal fuses, temperature-sensitive switches) and reducing the need for additional resistance elements.

3. Excellent Mechanical Properties & Bonding Strength

Tensile strength ≥520MPa and elongation ≥18% ensure good formability, enabling stamping, bending, and punching into small-sized and complex-shaped components. The vacuum composite rolling process ensures strong interlayer bonding (≥150MPa), effectively preventing delamination under thermal expansion, contraction, and mechanical stress.

4. Good Corrosion & Fatigue Resistance

The Mn72Ni10Cu18 active layer and Ni36 passive layer have good resistance to atmospheric corrosion and mild chemical corrosion, adapting to industrial and household environments. It also has excellent fatigue resistance, withstanding thousands of thermal cycles without cracking or performance degradation.

5. Wide Compatibility & Versatile Processability

It is fully compatible with international equivalent grades (ASTM TM-8, TB14140, etc.), facilitating global supply chain matching. It is suitable for stamping, bending, punching, and resistance welding, and can be seamlessly integrated into various temperature control assemblies.

Technical Specifications Table

Attribute
Value (Typical)
Alloy Grade
5J14140 (ASTM TM-8, FPA 721-140, TB14140)
Thickness
0.22mm (±0.005mm)
Width
4mm (±0.08mm)
Form
Coil (200m standard) / Custom cut-to-size
Specific Bending (20~100℃)
260~280×10⁻⁶/℃
Operating Temperature Range
-20℃ ~ +150℃ (continuous); -70℃ ~ +200℃ (ultimate)
Electrical Resistivity (20℃)
1.4~1.6μΩ·m
Tensile Strength
≥520MPa
Elongation
≥18%
Bonding Strength
≥150MPa
Density
~8.1g/cm³
Surface Finish
Bright pickled (standard)

Product Supply Specifications

Item
Specification
Supply Form
Coil (200m/roll); Custom cut-to-size sheets/strips available
Standard Dimensions
0.22mm (T) × 4mm (W)
Surface Treatment
Bright pickled; Electro-polished (optional)
Packaging
Anti-oxidation paper + plastic film + wooden reel; Vacuum-sealed for long-term storage
MOQ
50kg; Small batches (≥10kg) available for R&D
Customization
Thickness (0.08~2.0mm), width (2~50mm), coil length, surface finish
Processability
Stamping, bending, punching, resistance welding, laser cutting

Typical Application Scenarios

  • Smart Home Temperature Control: Temperature-sensitive switches for air conditioners, refrigerators, water heaters, and electric kettles.
  • Industrial Electrical Protection: Overload protection components for small motors, transformers, and power adapters.
  • Precision Temperature Compensation: Compensation elements for electronic instruments, thermometers, and sensor modules.
  • Automotive Electronics: Temperature control components for automotive air conditioning, battery management systems (BMS), and engine cooling systems.
  • Small Appliance Components: Thermal fuses, temperature regulators for hair dryers, electric irons, and microwave ovens.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2008

  • Total Annual:

    8000000-100000000

  • Employee Number:

    100~120

  • Ecer Certification：

    Verified Supplier

Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig... Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig...

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Get in touch with us

  • Reach Us
  • Huona (Shanghai) New Material Co., Ltd.
  • 1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
  • https://www.nicralloy.com/

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