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

Huona (Shanghai) New Material Co., Ltd.

  • China,Shanghai ,Shanghai
  • Verified Supplier

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China 4J36 Invar Alloy Strip Low Expansion ASTM F1684 for Glass Sealing
China 4J36 Invar Alloy Strip Low Expansion ASTM F1684 for Glass Sealing

  1. China 4J36 Invar Alloy Strip Low Expansion ASTM F1684 for Glass Sealing

4J36 Invar Alloy Strip Low Expansion ASTM F1684 for Glass Sealing

  1. MOQ: 1KG
  2. Price: Bargain
  3. Get Latest Price
Payment Terms T/T
Supply Ability 1000kg Per Week
Delivery Time WEEK
Packaging Details 1500tons/Year
Tensile Strength ≥ 450 MPa
Yield Strength (0.2%) ≥ 270 MPa
Elongation ≥ 30%
Hardness ≤ 160 HV
Density ~8.1 g/cm³
Thermal Expansion (20–100°C) ~1.2 × 10⁻⁶ /°C
Max Service Temp ~300°C (572°F)
Country of Origin China (OEM and custom logo available)
Brand Name HUONA
Model Number STRIP
Certification ISO9001
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 1000kg Per Week
Delivery Time WEEK Packaging Details 1500tons/Year
Tensile Strength ≥ 450 MPa Yield Strength (0.2%) ≥ 270 MPa
Elongation ≥ 30% Hardness ≤ 160 HV
Density ~8.1 g/cm³ Thermal Expansion (20–100°C) ~1.2 × 10⁻⁶ /°C
Max Service Temp ~300°C (572°F) Country of Origin China (OEM and custom logo available)
Brand Name HUONA Model Number STRIP
Certification ISO9001 Place of Origin CHINA
High Light Customized Alloy Steel StripCustomized Nickel Strip TapeFeni36 Alloy Steel Strip

Product Description

4J36 strip, also known as Invar 36, is a low-expansion iron-nickel alloy composed of approximately 36% nickel and 64% iron. It exhibits an extremely low coefficient of thermal expansion in the temperature range of −60°C to 250°C, making it highly suitable for precision instruments and sealing applications.

This strip alloy conforms to ASTM F1684 and is widely used in manufacturing electronic supports, glass-to-metal seals, thermostat components, aerospace instruments, and precision optical systems. Its dimensional stability and excellent mechanical properties under thermal stress make it a preferred material for applications requiring minimal deformation under temperature changes.


Key Features

  • Exceptionally low thermal expansion from cryogenic to ~250°C

  • Excellent dimensional stability and formability

  • Good machinability and weldability

  • High structural integrity in vacuum and sealed environments

  • Compatible with glass and ceramic sealing processes

  • Available in precision thicknesses with bright surface finish


Typical Applications

  • Glass-to-metal sealed enclosures and headers

  • Shadow masks and structural parts for CRTs and sensors

  • Aerospace and aviation instrumentation

  • Bimetal thermostatic components

  • Electronic scale frames and supports

  • Precision molds and measurement tools

  • Laser/optical mounting brackets


Chemical Composition (%)

Element Typical Content (%)
Nickel (Ni) 35.0 – 37.0
Carbon (C) ≤ 0.05
Manganese (Mn) 0.30 – 0.60
Silicon (Si) ≤ 0.30
Phosphorus (P) ≤ 0.020
Sulfur (S) ≤ 0.020
Iron (Fe) Balance

Mechanical Properties (Annealed Condition)

Property Typical Value
Tensile Strength ≥ 450 MPa
Yield Strength (0.2%) ≥ 270 MPa
Elongation ≥ 30%
Hardness ≤ 160 HV
Density ~8.1 g/cm³
Thermal Expansion (20–100°C) ~1.2 × 10⁻⁶ /°C
Max Service Temp ~300°C (572°F)

Available Specifications

Item Details
Thickness Range 0.05 mm – 2.0 mm
Width Range 3 mm – 300 mm
Form Strip in coil, sheet cut-to-length
Surface Finish Bright, cold-rolled, deburred
Standards ASTM F1684, GB/T 13240, DIN 17745
Condition Annealed, stress-relieved
Packaging Plastic wrap + carton or wooden box
Certification ISO 9001, ROHS, EN 10204 3.1
Country of Origin China (OEM and custom logo available)

Packaging & Shipping:

  • Packaging:
    Plastic spools, vacuum bags, anti-rust wrapping, and customized labels upon request

  • Shipping Methods:
    Air freight, sea freight, express delivery

  • Lead Time:


  • 7–15 working days based on order quantity



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Company Details

Bronze Gleitlager

,

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 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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