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10978/EN/Products/Premabraze-409.htmPREMABRAZE 409 (81.5AU/16.5CU/2NI)Premabraze 409 is a modified gold-copper alloy that includes a small addition of nickel. This nickel addition renders the alloy somewhat sluggish when molten, but it helps improve wetting on ferrous materials. Premabraze 409 also offers improved ductility over standard gold-copper alloys.<p>Vacuum tube components, thin wall tubing</p> <ul> <li>Ductile, low vapor pressure alloy</li> <li>Somewhat sluggish flow</li> <li>High purity</li> </ul> 16979251670910GoldAu81.50CopperCu16.50NickelNi2.00PREMABRAZE 409 (81.5AU/16.5CU/2NI)81.5Au/16.5Cu/2Ni, Goldbraz 81161544/EN/Industry/Microelectronic.htmOur microelectronics customers are able to get their innovative designs to market and feel confident the fragile components are protected with durable, high quality brazing alloy./Lucas/Industry-Buckets/Micro_Electrical.jpgAlloy FamilyAlloy TypeApplicationAvailabilityAWSBaseMaterialBrazingBrazing Temperature Range - CBrazing Temperature Range - FHeating MethodsIndustryMicroelectronicsIndustryPageInternationalStandardsMax Recommended Brazing Temp - CMax Recommended Brazing Temp - FOEMFormProductFamilyAlloy FamilyAlloy TypeAvailabilityAWSBaseMaterialFerrousNon-FerrousBrazingStainless Steel to Steel, Stainless, Copper, or BrassSteel to Copper, Brass, or SteelBrazing Temperature Range - CBrazing Temperature Range - FHeating MethodsIndustryMicroelectronicsIndustryPageInternationalStandardsMax Recommended Brazing Temp - CMax Recommended Brazing Temp - FOEMFormProductFamilyCustom SolutionsFiller MetalsPastes02021-01-04T13:03:02.70300
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PREMABRAZE 409 (81.5AU/16.5CU/2NI)

Product Overview

Premabraze 409 is a modified gold-copper alloy that includes a small addition of nickel. This nickel addition renders the alloy somewhat sluggish when molten, but it helps improve wetting on ferrous materials. Premabraze 409 also offers improved ductility over standard gold-copper alloys.
  • Ductile, low vapor pressure alloy
  • Somewhat sluggish flow
  • High purity
Industry Applications:

Vacuum tube components, thin wall tubing

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Product Specifications

Name:PREMABRAZE 409 (81.5AU/16.5CU/2NI)
Nominal Composition:Gold 81.50, Copper 16.50, Nickel 2.00,
Au
81.50
Cu
16.50
Ni
2.00
Liquidus:1697 °F, 925 °C
Solidus:1670 °F, 910 °C

Related Industries

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Microelectronic

Our microelectronics customers are able to get their innovative designs to market and feel confident the fragile components are protected with durable, high quality brazing alloy.

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