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Invar 36 Scrap Invar 36 Scrap Invar 36 Scrap Invar 36 Scrap Invar 36 Scrap

Invar 36 Scrap

300.0 INR/Kilograms
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Product Details:

  • Scrap Type Industrial Scrap (Plate/Sheet)
  • Density 8.1 Gram per cubic centimeter(g/cm3)
  • Condition Clean, Unused / Industrial Scrap
  • Thickness Varies / As required
  • Grade Invar 36
  • Purity High Purity (>99%)
  • Composition Nickel 36%, Iron 64%
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Invar 36 Scrap Price And Quantity

  • 300.0 INR/Kilograms
  • 5 Kilograms

Invar 36 Scrap Product Specifications

  • High Purity (>99%)
  • Clean, Unused / Industrial Scrap
  • As per lot
  • Invar 36
  • Nickel 36%, Iron 64%
  • Custom / As required
  • Varies / As required
  • Silver Grey
  • Industrial Scrap (Plate/Sheet)
  • 8.1 Gram per cubic centimeter(g/cm3)
  • Aerospace, Electronics, Precision Instruments, LNG Storage
  • Rust free, as per image
  • 1425C - 1440C
  • UNS K93600
  • Non-magnetic at room temperature
  • Plate, Sheet, Block Scrap
  • ~1.2 x 106 /C (20-100C)

Product Description

Technical Identifiers and Standards

Field Designation / Specification
Common Alloy Names Invar 36, NILO 36, Pernifer 36, Glass Sealing 36, FeNi36
UNS Number K93600 / K93601
Werkstoff Number 1.3912
EN / European Standard FeNi36
ASTM Standards ASTM F1684, ASTM B753
DIN Standard DIN 17745
Alloy Family Controlled Expansion Nickel-Iron Alloy (36 Percent Nickel)

Scrap Classification and Value Drivers

  • High Nickel Content: Contains 35.00 to 37.00 percent Nickel by weight, driving a high intrinsic melt value for specialty alloy processors and secondary melters.

  • Ultra-Low Expansion Properties: Renowned for its near-zero coefficient of thermal expansion at room temperatures, requiring clean, unmixed scrap for remelting into precision tooling heats.

  • Strict Grade Segregation: Must be kept completely isolated from Super Invar 32-5 (contains Cobalt additions), Kovar (29Ni-17Co), Alloy 42 (42 percent Ni), Alloy 48 (48 percent Ni), and standard 300-series stainless steels.

  • Magnetic Response: Strongly ferromagnetic at room temperature up to its Curie temperature of approximately 280 degrees Celsius.

  • Cleanliness Requirements: Scrap must be clean and free of lead/tin solder, copper brazing, carbon steel attachments, heavy oils, grease, and scale.



Exceptional Stability for Precision Applications

Invar 36 Scrap delivers outstanding performance in environments where minimal thermal expansion is crucial. This makes it highly valuable for manufacturing sensitive equipment, such as precision measurement devices, aerospace components, electronic parts, and LNG storage containers. Its dimensional stability ensures longevity and dependability even under demanding operational conditions.


Versatile Industrial Forms and Custom Sizing

Available in scrap formats like plates, sheets, and blocks, Invar 36 Scrap can be supplied in custom sizes and thicknesses to match specific project requirements. Its clean, unused, and rust-free nature ensures consistent quality and high purity, granting manufacturers flexibility and efficiency for both small and large-scale fabrication processes.


Nickel-Iron Alloy for High Performance

Composed of 36% nickel and 64% iron, Invar 36 maintains high purity and a silver-grey finish. Its superior characteristics-such as non-magnetic behavior at room temperature and high-density structure-provide an edge in critical industrial sectors. As a key export and fabrication material within India, it supports innovative engineering and construction needs.

FAQ's of Invar 36 Scrap:


Q: What industries commonly use Invar 36 Scrap and why?

A: Invar 36 Scrap is widely used in aerospace, electronics, precision instruments, and LNG storage because of its extremely low thermal expansion. This ensures very minimal dimensional changes with temperature fluctuations, making it indispensable for applications that demand consistent performance and reliability.

Q: How is Invar 36 Scrap typically processed and supplied?

A: The scrap is processed from industrial plate or sheet remnants and offered in block, plate, or sheet form. Suppliers and manufacturers ensure it is clean, rust-free, and of high purity. It can be cut to custom lengths and varying thicknesses to suit specific customer requirements.

Q: Where is Invar 36 Scrap sourced from and who supplies it in India?

A: Invar 36 Scrap is generally sourced from industrial facilities and original manufacturing process offcuts. In India, it is provided by a range of dealers, exporters, fabricators, manufacturers, producers, retailers, suppliers, and traders specializing in high-spec alloy materials.

Q: What is the benefit of using Invar 36 Scrap with high purity?

A: High purity (>99%) Invar 36 Scrap guarantees superior mechanical stability, corrosion resistance, and performance consistency. It helps manufacturers maintain quality standards and reliability in end-products, particularly where impurities could affect thermal or structural properties.

Q: When should Invar 36 Scrap be used instead of new material?

A: Invar 36 Scrap is ideal when cost efficiency and sustainability are priorities, but uncompromised material integrity and performance are still required. It's especially valuable for prototyping, repairs, or smaller batch production where the properties of new material are essential but budgetary or environmental considerations favor scrap usage.

Q: How does the thermal expansion coefficient of Invar 36 benefit precision applications?

A: The exceptionally low thermal expansion coefficient (~1.2 x 106/C from 20-100C) ensures that Invar 36 retains its shape and size even under temperature changes, minimizing measurement errors and misalignments in sensitive instruments or assemblies.

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