Lucas-Milhaupt PREMABRAZE® 407 Gold-Copper Braze Alloy

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Lucas-Milhaupt PREMABRAZE® 407 Gold-Copper Braze Alloy
Categories:	Metal; Nonferrous Metal; Copper Alloy; Solder/Braze Alloy
Material Notes:	Premabraze 407 can be used on any of the common ferrous and non-ferrous alloys. This alloy exhibits good wetting characteristics on metallized ceramics. Typical applications include brazing of electron tubes, vacuum tubes, wave guides in electronic industry. Premabraze 407 is readily used in brazing of ceramic to metal seals. Premabraze 407 is generally used in reducing, vacuum, or inert atmosphere. It is a less ductile alloy than standard gold-copper-nickel alloys. The composition of the alloy allows for use in applications where braze filler metals low in volatile constituents are required. Due to its narrow plastic range, Premabraze 407 exhibits free flowing characteristics. Available forms: Wire, strip, engineered preforms, specialty preforms, powder and paste. Information provided by Lucas-Milhaupt.
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Available Properties
Specific Gravity Density Electrical Resistivity, 20% IACS Melting Point Solidus Liquidus Processing Temperature, Brazing Range Cadmium, Cd Carbon, C Copper, Cu, Remainder Gold, Au Lead, Pb Other, each, High vapor pressure elements. Other, total, high vapor pressure elements (Including zinc, cadmium, and lead) Other, total, Impurity elements Phosphorus, P Zinc, Zn

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