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P675R Bimetal Strip Mn75Ni15Cu10 Ni36 for Thermal Applications

P675R Bimetal Strip Mn75Ni15Cu10 Ni36 for Thermal Applications

P675R Bimetal Strip Mn75Ni15Cu10 Ni36 for Thermal Applications
P675R Bimetal Strip Mn75Ni15Cu10 Ni36 for Thermal Applications
Categories Thermal Bimetal
Brand Name: Huona
Model Number: P675R
Certification: ISO9001
Place of Origin: Shanghai
MOQ: 10-50kg
Price: Negotiable
Payment Terms: L/C,T/T,Western Union,MoneyGram
Supply Ability: 500 tons per month
Delivery Time: 5-21days
Packaging Details: Carton/Wooden case
Product Name: Bimetal Strip P675R
High Expansive Layer: Mn75Ni15Cu10
Low Expansive Layer: Ni36
Total Thickness Range: 0.1mm - 2.5mm (tolerance: ±0.01mm)
Tensile Strength: 480MPa (transverse direction)
Resistivity(20℃±5℃): 113(μΩ·cm)
Linearity Temperature Range: -20-150℃
Density: 7.7 g/cm³
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Company Info.
Huona (Shanghai) New Material Co., Ltd.
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P675R Bimetal Strip Mn75Ni15Cu10 Ni36 for Thermal Applications

Product Description

P675R Bimetallic Strip

Product Overview

P675R bimetallic strip is a high - performance composite material composed of two layers of metals with distinct coefficients of thermal expansion. The high - expansion layer is typically made of Mn 75 Ni 15 Cu 10, while the low - expansion layer is Ni 36. This unique combination enables the strip to bend or deform predictably in response to temperature changes, making it a fundamental component in a wide range of temperature - sensitive applications.

Standard Designations

  • Material Standards: Conforms to DIN 17155 and ASTM B388 for bimetallic strip performance
  • Industry Codes: Recognized as a Class A thermosensitive material under IEC 60730-2-9
  • Alternative Designations: Equivalent to grades such as Thermalloy 675 and Bimet 75-36

Key Features

  • High Deflection Sensitivity: 0.25mm deflection per 10°C at 100mm length (20-100°C range)
  • Low Hysteresis: <2°C deviation between heating and cooling response
  • Long-Term Stability: <1% deflection loss after 10,000 thermal cycles (-40 to 150°C)
  • Electrical Conductivity: 8.5 S/m (enables use in current-carrying thermal switches)
  • Corrosion Resistance: Passes 500-hour salt spray test (ASTM B117) with minimal oxidation

Technical Specifications

AttributeValue
Total Thickness Range0.1mm - 2.5mm (tolerance: ±0.01mm)
Width Options3mm - 120mm (tolerance: ±0.05mm)
Layer Thickness Ratio (High:Low)1:1 (custom ratios 2:1, 3:1 available)
Operating Temperature Range-50°C to 180°C (continuous)
Maximum Short-Term Temperature200°C (≤10 minutes)
Tensile Strength480MPa (transverse direction)
Elastic Limit220MPa
Thermal Deflection Coefficient21.2 × 10⁻⁶ /°C (20-150°C)

Material Composition

LayerMain Elements (wt%)Trace Elements (max, wt%)
High-Expansion (Mn75Ni15Cu10)Mn:75, Ni:15, Cu:10C:0.03, Si:0.2, Fe:0.5
Low-Expansion (Ni36)Ni:36, Fe:64C:0.02, Mn:0.3, Si:0.1

Product Specifications

ItemDetail
Surface FinishAnnealed (Ra ≤0.8μm) or bright rolled (Ra ≤0.4μm)
Cutting OptionsSlit strips, cut-to-length pieces, or continuous rolls
Length per Roll50m, 100m, 300m (on 300mm diameter plastic spools)
Adhesion Strength≥150MPa (layer bond strength, ASTM D3163)
PackagingVacuum-sealed in moisture barrier bags with desiccants

Typical Applications

  • Domestic appliance thermostats (ovens, water heaters, dryers)
  • Overcurrent protection devices (motor overload relays)
  • Fire safety sensors (heat detectors)
  • Automotive underhood temperature switches
  • Industrial process temperature regulators


We provide custom slitting, forming, and heat treatment services for P675R strips. Free samples (100mm × 20mm) and thermal deflection test reports are available upon request.
Product Tags:

Mn75Ni15Cu10 bimetal strip

  

Ni36 thermal bimetal strip

  

P675R bimetal strip for thermal applications

  
Buy P675R Bimetal Strip Mn75Ni15Cu10 Ni36 for Thermal Applications at wholesale prices

P675R Bimetal Strip Mn75Ni15Cu10 Ni36 for Thermal Applications

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