covering welding ring

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American-Standard	Chinese-Standard			chemical component（mass fraction，%）										liquefaction temperature,℃		brazing temperature range /℃
AWS	GB	HL	Cu	Ag	Zn	Sn	Fe	Mn	Ni	P	Pb	Al	Si	solidus	liquidus
AWS	GB	HL	Cu	Ag	Zn	Sn	Fe	Mn	Ni	P	Pb	Al	Si	solidus	liquidus
BCuP-1	——	——	margin	——	——	——	——	——	——	4.8-5.2	——	——	——	710	924	788～927
BCuP-2	BCu93P	HL201	margin	——	——	——	——	——	——	7.0-7.5	——	——	——	710	793	732～843
BCuP-3	BCu89PAg	HL205	margin	4.8-5.2	——	——	——	——	——	5.8-6.2	——	——	——	643	813	718～816
BCuP-4	——		margin	5.8-6.2	——	——	——	——	——	7.0-7.5	——	——	——	643	718	691～788
BCuP-5	BCu80PAg	HL204	margin	14.5-15.5	——	——	——	——	——	4.8-5.2	——	——	——	643	802	704～816
BCuP-6	BCu91PAg	HL209	margin	1.8-2.2	——	——	——	——	——	6.8-7.2	——	——	——	643	788	732～816
BCuP-7	——	——	margin	4.8-5.2	——	——	——	——	——	6.5-7.0	——	——	——	643	771	704～816
BCuP-8			margin	17.8-18.0	——	——	——	——	——	6.0-6.7	——	——	——	664	686	714～730
BCuP-9			——	——	——	6.0-7.0	——	——	——	6.0-7.0	——	——	——	643	693	693～740

Coating solder is the material of flux and solder processing together, belongs to the in-situ composite material, the use process does not need to add flux, easy to use, flux quantity, to a certain extent, get rid of the amount of flux caused by human factors, affecting the welding effect.

At present, our company has coated electrode, coated welding ring, silver based, copper based materials, a variety of sizes, can also be produced according to customer needs.