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US 4,231,794 AGranted
Lead based alloy for the bonding of aluminum parts to parts comprising an alloy of a heavy metal
AssigneeSociete Anonyme des Usines Chausson
InventorJean-Pierre Moranne
Life of this patent
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Abstract
In a lead soldering alloy for soldering parts of which one at least is made of an aluminum containing alloy and the other of heavy metal, the antimony content of the alloy is reduced so as to be between 0.2 and 1% by weight.
Claims3
Soldering alloy having a lead base for the soldering or soft brazing of parts of which at least one part is made of aluminum or aluminum alloy and another part is made of an alloy of heavy metal selected from copper, brass, stainless steel and the like, comprising:
- 70 to 90% lead by weight
- 10 to 30% cadmium by weight
- 0.5 to 2% tin by weight and
- between 0.2 and 1% antimony by weight.
1 more element
Dependencies are inferred from the claim text.