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High Sensitivity 0.2*80mm 5J1480 Thermostatic Bimetallic Strip Durable for Precision Temperature Sensing Applications

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High Sensitivity 0.2*80mm 5J1480 Thermostatic Bimetallic Strip Durable for Precision Temperature Sensing Applications

Brand Name : Huona

Model Number : 5J1480

Certification : ISO9001

Place of Origin : Shanghai

MOQ : 10KG

Price : Negotiable

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 : 5J1480

Thickness : 0.20mm

Width : 80mm

Form : Coil

Curvature Temperature Coefficient : ~8.0×10⁻⁶ /℃ (20–130℃)

Operating Temperature : -70℃ ~ 200℃ (continuous)

Tensile Strength : ≥520MPa

Density : ~8.0g/cm³

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5J1480 Thermostatic Bimetallic Strip (Huona)
5J1480 thermostatic bimetallic strip from Huona New Material is a precision composite material formed by metallurgically bonding two metal layers with distinct thermal expansion coefficients. It produces predictable, reversible bending deformation in response to temperature changes, making it ideal for sensitive thermal actuation, precise temperature control, and low-temperature overheat protection devices.
Standard Designations & Core Specifications
  • Alloy Grade: 5J1480 (Thermostatic Bimetallic Alloy)
  • Typical Dimensions: Thickness: 0.20mm (customizable: 0.08-3.0mm), Width: 80mm (customizable: 15-350mm)
  • Form: Coil (standard: 50m/roll; cut-to-size sheets available)
  • Tolerance: Thickness ±0.008mm, Width ±0.15mm
  • Core Material Composition: High-expansion layer: Fe-Ni-Mn alloy, Low-expansion layer: Fe-Ni alloy (Invar-type)
  • Key Thermal Performance: Curvature temperature coefficient (α): ~8.0×10⁻⁶ /℃ (20-130℃), Operating temperature range: -70℃ ~ 200℃ (continuous)
  • 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
Sensitive & Stable Thermostatic Response
  • Moderate Curvature Sensitivity: Curvature temperature coefficient of ~8.0×10⁻⁶ /℃, ideal for applications requiring balanced sensitivity and mechanical strength
  • Reversible Deformation: Fully reversible thermal cycling without permanent deformation or fatigue, ensuring long-term reliability
Excellent Mechanical Properties
  • High Strength & Formability: Tensile strength ≥520MPa, elongation ≥18%, enabling complex stamping, bending, and punching operations
  • Good Fatigue Resistance: Withstands repeated thermal cycling without cracking or performance degradation, suitable for dynamic applications
Uniform Quality & Consistency
  • Precision Rolling: Tight thickness and width tolerances ensure uniform thermal response across the entire strip
  • Strong Interlayer Bonding: Metallurgical bonding between high- and low-expansion layers prevents delamination under thermal and mechanical stress
Versatile Processability
  • Easy Forming: Compatible with stamping, bending, punching, and riveting to produce complex bimetallic elements
  • Weldability: Suitable for resistance welding and soldering, enabling seamless integration into electrical and mechanical components
Reliable Environmental Resistance
  • Corrosion Resistance: Good resistance to atmospheric corrosion and mild chemicals, suitable for industrial and consumer applications
  • Wide Temperature Stability: Maintains consistent thermostatic performance across -70℃ to 200℃, suitable for low-temperature environments
Technical Specifications
Attribute Value (Typical)
Alloy Grade 5J1480
Thickness 0.20mm (±0.008mm)
Width 80mm (±0.15mm)
Form Coil (50m standard) / Cut-to-size sheets
Curvature Temperature Coefficient ~8.0×10⁻⁶ /℃ (20-130℃)
Operating Temperature -70℃ ~ 200℃ (continuous)
Tensile Strength ≥520MPa
Elongation ≥18%
Density ~8.0g/cm³
Surface Finish Bright/light oxide (standard)
Product Specifications
Item Specification
Supply Form Coil (50m/roll); cut-to-size sheets available
Thickness Range 0.08-3.0mm
Width Range 15-350mm
Surface Treatment Bright finish / pickled (optional)
Packaging Anti-corrosion paper + wooden reel (prevents oxidation and damage)
MOQ 50kg, small batches available for R&D
Customization Thickness/width/length; surface finish; thermal performance grade
Processability Stamping, bending, punching, riveting, resistance welding, soldering
Typical Application Scenarios
  • Precision Thermostats: Household appliances (refrigerators, air conditioners), automotive climate control, and industrial temperature regulators
  • Low-Temperature Overheat Protection: Circuit breakers, thermal fuses, and electronic component protection
  • Thermal Actuators: Refrigeration valve actuators, fire safety devices, and automotive thermostat components
  • Measuring Instruments: Bimetallic thermometers and low-temperature temperature indicators
  • Consumer Electronics: Battery management systems, power adapters, and small appliance safety controls

Product Tags:

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