Electromechanical Constructions

For electromechanical constructions, power generators, transformers, electrical motors, heating elements, electrical contacts, disconnecting switches, relais, etc.

Aluminium to copper flux cored brazing wire

Type	Composition		Brazing temp ℃	Flux Proportion	Wire Diameter	Note
	Alloy	Flux		（wt%）	（mm）
BD802	1# ZnAl alloy	Cs Al F 4	420-480	10-20%	Φ1.6~Φ2.4	Copper to Aluminum brazing
BD822	2# ZnAl alloy		420-480
BD815	3# ZnAl Alloy		420-480

Phosphorus Copper Alloys

Standard	Alloy	Chemical Composition(%)	Melting Range
			Solidus	Liquidus
AWS A5.8	BCuP-3	Cu:Bal.  P:5.7-6.1  Ag:5.0-5.2	643℃	816℃
AWS A5.8	BCuP-6	Cu:Bal. P:6.8-7.5  Ag:1.8-2.2	643℃	790℃
	BCu86PSn	Cu:Bal. P:6.5-7.5 Sn:6.5-7.5	640℃	680℃