Aluminum-Silicon Brazing Alloys

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Product Number	Related Standard	Chemical Composition(%)						Other	Melting Range(℃)		Aharacteristic and Application
Product Number	Related Standard	Al	Si	Cu	Zn	Mg	Fe	Other	Solidus (°F/°C)	Liquidus (°F/°C)	Aharacteristic and Application
SA-1	GB/T：BAl88Si AWS：SAISi-2	rem.	11–13	<0.3	<0.2	<0.1	<0.8	Cr<0.15	577	582	Possesses excellent flowability, wettability, and corrosion resistance. Suitable for flame brazing and furnace brazing of aluminum and aluminum alloys.
SA-2	GB/T：BAl86SiCu AWS：SAISi-4	rem.	9.3-10.7	3.3-4.7	<0.2	<0.15	<0.8		520	585
SA-3	GB/T：BAlSi – 8	rem.	11–13	<0.25	<0.2	1–2	<0.8		559	591	The characteristics are similar to SA-1 and are suitable for vacuum brazing of aluminum.
Sa4043	Er4043	rem.	4.5-6.0	0.3	0.1	0.05	0.8				Good crack resistance and high versatility. Suitable for gas welding and argon arc welding of aluminum alloys (not recommended for high-magnesium alloys).
Sa4047	Er4047	rem.	11–13	0.3	0.2	0.1	0.8

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