Product Description
Alloy 42, NILO 42, and Pernifer 40 scrap consists of high purity iron nickel controlled expansion alloy material containing nominally 41 to 42 percent nickel.
Equivalent DesignationsUNS K94100Werkstoff Number 1.3917DIN 17745 FeNi42AFNOR NF A54301ASTM F30Trade Names: Alloy 42, NILO 42, Pernifer 40, Invar 42, Glass Sealing 42
Chemical CompositionNickel: 40.50 to 42.50 percentIron: BalanceManganese: Maximum 0.80 percentSilicon: Maximum 0.30 percentCobalt: Maximum 0.50 percentCarbon: Maximum 0.05 percentChromium: Maximum 0.25 percentPhosphorus: Maximum 0.025 percentSulfur: Maximum 0.025 percent
Physical PropertiesDensity: 8.11 grams per cubic centimeterMelting Point: 1435 degrees CelsiusCurie Temperature: 380 degrees CelsiusThermal Conductivity: 10.5 Watts per meter KelvinElectrical Resistivity: 61 microhm centimetersModulus of Elasticity: 145 Gigapascals
Coefficient of Thermal ExpansionRange 20 to 100 degrees Celsius: 5.3 parts per million per KelvinRange 20 to 300 degrees Celsius: 4.5 to 6.5 parts per million per KelvinRange 20 to 450 degrees Celsius: 7.2 parts per million per Kelvin
Mechanical Properties in Annealed ConditionTensile Strength: 530 to 600 MegapascalsYield Strength at 0.2 percent offset: 250 to 360 MegapascalsElongation at Break: Minimum 30 percentHardness: 70 to 80 Rockwell B scale
Scrap Classification and FormsScrap Forms: Plate offcuts, sheet offcuts, bar end cuts, turnings, wire scrap, stampingsScrap Material Grade: High purity iron nickel alloy scrapPrimary Applications: Electronic glass to metal seals, ceramic packaging, thermostatic bimetal rods, integrated circuit lead frames
Precision Alloy Scrap for Technical ApplicationsOur Alloy 42 Scrap, supplied in forms such as sheets, plates, and strips, is recovered from industrial sources and processed to retain high nickel-iron purity. It is widely valued for its low thermal expansion and excellent properties crucial in specialized sectors like electronics and hermetic sealing.
Customizable Sizing and Flexible PackagingWe cater to unique requirements by offering lengths and thicknesses tailored to customer specifications, ranging from 0.1 mm to 50 mm. Our scrap is packaged loose or bundled as per your needs, ensuring safe transportation and handling for bulk industrial orders.
FAQ's of Alloy 42 Scrap / NILO 42 Scrap / Pernifer 40 Scrap:
Q: How is Alloy 42 Scrap typically used in industrial applications?
A: Alloy 42 Scrap is primarily used in industries requiring controlled thermal expansion, such as electronic components, glass-to-metal seals, hermetic sealing, and lamp leads. Its stability and resistance to corrosion make it ideal for precise engineering purposes.
Q: What forms and sizes are available for Alloy 42 Scrap?
A: We provide Alloy 42 Scrap in sheet, plate, strip, and various custom scrap forms. Thickness ranges from 0.1 mm to 50 mm, and lengths are customized according to client requirements, suitable for diverse industrial needs.
Q: When is Alloy 42 Scrap preferred over other scrap materials?
A: Alloy 42 Scrap is preferred when high nickel content, low thermal expansion, and non-magnetic properties at room temperature are essential, especially in glass-to-metal sealings, hermetic packages, and electronic assemblies.
Q: Where is your Alloy 42 Scrap sourced, and what is your supply capacity?
A: Our Alloy 42 Scrap is sourced from reputable industrial recovery operations across India. We maintain the capacity to supply in bulk quantities, ensuring consistent availability for manufacturers, exporters, fabricators, and traders.
Q: What is the process for acquiring Alloy 42 Scrap in customized forms?
A: Clients can specify their required dimensions and packaging preferences when ordering. We process and package the scrap-loose or bundled-to agreed-upon specifications, delivering products ready for immediate use in your operations.
Q: What are the main benefits of using Alloy 42 Scrap in manufacturing?
A: The primary benefits include its low coefficient of thermal expansion, corrosion resistance, high nickel-iron purity, and non-magnetic properties. These features enhance product reliability in sensitive applications such as electronic and hermetic sealing components.