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Super Invar 32 5 Scrap / Super Invar 32 5 Scrap / Super Invar 32 5 Scrap / Super Invar 32 5 Scrap / Super Invar 32 5 Scrap /

Super Invar 32 5 Scrap /

340.0 INR/Kilograms
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Product Details:

  • Scrap Type Sheet Scrap
  • Thickness Varies/Custom
  • Density 8.1 Gram per cubic centimeter(g/cm3)
  • Condition Scrap/Used
  • Grade Super Invar 32-5
  • Purity High; Alloy grade
  • Composition Nickel 32%, Iron 63%, Cobalt 5%
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Super Invar 32 5 Scrap / Price And Quantity

  • 340.0 INR/Kilograms
  • 5 Kilograms

Super Invar 32 5 Scrap / Product Specifications

  • Super Invar 32-5
  • As per lot
  • High; Alloy grade
  • Custom/Varies
  • Varies/Custom
  • Silver Grey
  • Sheet Scrap
  • Nickel 32%, Iron 63%, Cobalt 5%
  • Scrap/Used
  • 8.1 Gram per cubic centimeter(g/cm3)
  • Loose/Bulk
  • Low magnetic permeability
  • ~0.6 x 106/C (20-100C)
  • 100% recyclable
  • Sheet/Plate
  • Precision instruments, scientific equipment, low expansion devices
  • ASTM F1684, ASTM B753
  • Good for general laboratory uses

Product Description

Technical Identifiers and Standards

Field Super Invar 32-5 / Super Invar Invar 36 (Standard Invar)
Common Alloy Names Super Invar 32-5, Super Invar, Pernifer 32, FeNi32Co5 Invar 36, NILO 36, Pernifer 36, FeNi36
UNS Number K93500 K93600 / K93601
Werkstoff Number 1.3981 1.3912
EN / European Standard FeNi32Co5 FeNi36
ASTM Standards ASTM F1684 ASTM F1684, ASTM B753
Alloy Family Controlled Expansion Nickel-Cobalt-Iron Alloy Controlled Expansion Nickel-Iron Alloy

Scrap Classification and Value Drivers

  • Cobalt Premium in Super Invar: Super Invar contains 4.00 to 6.00 percent Cobalt in addition to 31.00 to 33.00 percent Nickel, giving it a higher melt valuation than standard Invar 36.

  • Near-Zero Expansion Performance: Super Invar exhibits near-zero thermal expansion at room temperatures (roughly half that of standard Invar 36), making scrap segregation critical for high-precision optical re-melting.

  • Strict Grade Segregation: Super Invar 32-5 must be kept completely separate from Invar 36, Kovar (29Ni-17Co), Alloy 42, Alloy 48, and standard 300-series stainless steel.

  • Phase Stability Limits: Super Invar can undergo irreversible martensitic transformation if exposed to cryogenic temperatures below minus 60 degrees Celsius; scrap processors evaluate thermal history and grain purity.

  • Magnetic Response: Strongly ferromagnetic at room temperature up to its Curie point of approximately 230 degrees Celsius for Super Invar and 280 degrees Celsius for Invar 36.

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



Precision Fit for Advanced Applications

With its uniquely low thermal expansion rate, Super Invar 32-5 Scrap is indispensable for building precision instruments, scientific apparatus, and low-expansion devices. Its consistent, reliable performance makes it ideal where dimensional stability is critical, such as in laboratory equipment or scientific measuring components.


Superior Corrosion Resistance and Magnetic Properties

Engineered for longevity in laboratory and scientific environments, this alloy resists corrosion under typical conditions. The low magnetic permeability further makes it suitable for sensitive equipment where external magnetic influence must be kept minimal.


Versatile and Sustainable Material Solution

Super Invar 32-5 Scrap comes in sheet or plate form with custom sizes available, providing flexibility for various applications and manufacturing needs. As an eco-friendly option, it is 100% recyclable, supporting sustainable production practices within the industry.

FAQ's of Super Invar 32 5 Scrap /:


Q: How is Super Invar 32-5 Scrap typically used in precision instruments?

A: Super Invar 32-5 Scrap is used to manufacture components where dimensional accuracy must be maintained despite temperature changes, such as measuring devices, scientific instrumentation, and low-expansion structural supports.

Q: What benefits does the low thermal expansion coefficient offer?

A: The alloy's low thermal expansion coefficient (~0.6 x 10^6/C) ensures components remain stable under temperature variations, reducing the risk of deformation and preserving measurement accuracy in demanding environments.

Q: When should I choose Super Invar 32-5 Scrap over other alloys?

A: This alloy is ideal when your application demands both high dimensional stability and low magnetic permeability, especially in scientific or laboratory settings where precision is paramount.

Q: Where is Super Invar 32-5 Scrap commonly sourced from in India?

A: Super Invar 32-5 Scrap is available through multiple channels in India, including dealers, exporters, manufacturers, retailers, and suppliers who cater to industrial, scientific, and research needs.

Q: What is the typical process of recycling Super Invar 32-5 Scrap?

A: Super Invar 32-5 Scrap is collected, sorted, and processed by scrap dealers or specialized recyclers. It can be melted down and purified for reuse in new alloy products, making it a sustainable choice.

Q: Does Super Invar 32-5 Scrap conform to any industry standards?

A: Yes, it meets ASTM F1684 and ASTM B753 standards, ensuring consistent quality, reliability, and compatibility for a variety of high-precision and scientific applications.

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