SilSeal^TM Materials

Williams Advanced Materials, through its wholly owned subsidiary Academy Corporation, manufactures SilSeal^TM brazing materials. Forms of SilSeal^TM materials include strip, wire, thin foils and wide width sheets. SilSeal^TM alloys are silver based and comply with American Welding Society specifications for use in torch, furnace, vacuum and inert gas atmosphere brazing.

SilSeal ™	Nominal Composition %	Liquidus		Solidus		Compare To 1	AWS/AMS Numbers
		C	F	C	F
SilSeal 250	Ag 25, Cu 40, Zn 33, Sn 2	780	1435	690	1270	Safety-Silv 25, Braze 255, Silvaloy A-25T	AWS Bag - 37
SilSeal 251	Ag 25, Cu 52.2, Zn 22.5	855	1575	675	1250	Safety-Silv 25A, Braze 250, Silvaloy A-25
SilSeal 252	Ag 25, Cu 38, Zn 33, Ni 2, Mn 2	800	1475	705	1305	Braze 252
SilSeal 300	Ag 30, Cu 38, Zn 32	765	1410	675	1250	Safety-Silv 30, Braze 300, Silvaloy A-35	AMS Bag - 20
SilSeal 350	Ag 35, Cu 32, Zn 33	755	1390	685	1265	Safety-Silv 35, Braze 351, Silvaloy A-35	AWS Bag - 35
SilSeal 380	Ag 38, Cu 32, Zn 28, Sn 2	720	1330	650	1200	Safety-Silv 38T, Braze 380, Silvaloy A-38T	AMS Bag - 34
SilSeal 400	Ag 40, Cu 30, Zn 30	725	1340	675	1245	Safety-Silv 40, Braze 401
SilSeal 401	Ag 40, Cu 30, Zn 28, Sn 2	710	1310	650	1200	Safety-Silv 40T, Braze 402, Silvaloy A-40T	AWS Bag - 28
SilSeal 402	Ag 40, Cu 30, Zn 28, Ni 2	780	1435	660	1220	Safety-Silv 40Ni25, Braze 403, Silvaloy A-40N2	AWS Bag - 4
SilSeal 403	Ag 40, Cu 30, Zn 25, Ni 5	860	1580	660	1220	Safety-Silv 40Ni5, Braze 404, Silvaloy A-40N5
SilSeal 450	Ag 45, Cu 30, Zn 25	745	1370	665	1225	Safety-Silv 45, Braze 450, Silvaloy A-45	AWS Bag - 5
SilSeal 490	Ag 49, Cu 16, Zn 23, Ni 4.5, Mn 7.5	700	1290	680	1260	Braze 495, Silvaloy A-49NM	AWS Bag - 22
SilSeal 500	Ag 50, Cu 34, Zn 16	775	1425	675	1250	Safety-Silv 50, Braze 501, Silvaloy A-50	AWS Bag - 6
SilSeal 501	Ag 50, Cu 20, Zn 28, Ni 2	705	1305	660	1220	Safety-Silv 50N, Braze 505, Silvaloy A-50N	AWS Bag - 24
SilSeal 560	Ag 56, Cu 22, Zn 17, Sn 5	650	1205	620	1145	Safety-Silv 65, Braze 560, Silvaloy A-56T	AWS Bag - 7
SilSeal 600	Ag 60, Cu 25, Zn 15	720	1325	675	1245	Safety-Silv 60, Braze 600, Sil
SilSeal 650	Ag 65, Cu 20, Zn 15	720	1325	670	1240	Braze 650, Silvaloy A-65	AWS Bag - 9
SilSeal 700	Ag 70, Cu 20, Zn 10	740	1360	690	1275	Braze 700, Silvaloy A-70	AWS Bag - 10
SilSeal 720	Ag 72, Cu 28	780	1435	780	1435	Safety-Silv 72, Braze 720, Silvaloy B-72	AWS Bag - 8
SilSeal 750	Ag 75, Cu 22, Zn 3	790	1450	740	1365	Braze 750, Silvaloy A-75