Precious Brazing Filler Metals

Our extensive range of high purity, low vapor pressure precious brazing filler metals is derived from silver, platinum and palladium based materials, and exceeds the most stringent requirements imposed by the Power Tube, Aerospace, Semiconductor, Medical, Electronic and Vacuum Industries in which they serve.

Precious Brazing Filler Metals Properties

The table below lists the major alloys available, and the forms produced include sheet, wire, paste, powder and preforms.

Name	Nominal Composition Percent	Liquidus		Solidus
		°C	°F	°C	°F
Platinum	Pt – 99.997	1769	3216	1769	3216
Palladium	Pd – 99.99	1555	2831	1555	2831
Paloro^® (BAu-8)	Au – 92 Pd – 8	1270	2318	1200	2192
Palni^®	Pd – 60 Ni – 40	1238	2260	1238	2260
Palco^®(BPd-1)	Pd – 65 Co – 35	1219	2226	1219	2226
Palnicusil^®	Pd – 22.5 Ni – 10 Cu – 18.9 Ag – 48.6	1179	2155	910	1670
Palniro^®-4 (AMS-4785)	Au – 30 Pd – 34 Ni – 36	1169	2136	1135	2075
Palniro^®-1 (AMS-4784)	Au – 50 Pd – 25 Ni – 25	1121	2050	1102	2016
Palmansil™ 5	Au – 75 Pd – 20 Mn – 5	1072	1962	1008	1846
Palsil^®-10	Ag – 90 Pd – 10	1070	1958	1025	1877
Palnicurom^® 25	Au – 25 Ni – 18 Pd – 15 Mn – 11 Cu – 31	1052	1926	1017	1863
Palniro^®-7 (AMS-4786)	Au – 70 Pd – 8 Ni – 22	1037	1899	1005	1841
Nicoro^®(BAu-3)	Au – 35 Cu – 62 Ni – 3	1030	1886	1000	1832
Incuro™-20	Au – 20 Cu – 78 In – 2	1025	1877	975	1787
Palnicurom^®-10	Au – 25 Pd – 15 Ni – 10 Mn – 13 Cu – 37	1013	1855	970	1778
35% Gold 65% Copper	Au – 35 Cu – 65	1010	1850	990	1814
Nioroni™	Au – 73.8 Ni – 26.2	1010	1850	980	1796
37.5% Gold 62.5% Copper	Au – 37.5 Cu – 62.5	1005	1841	985	1805
RI-46	Au – 35 Ni – 14 Pd – 10 Mn – 9.5 Cu – 35.5	1004	1840	971	1780
40% Gold 60% Copper	Au – 40 Cu – 60	1000	1832	980	1796
Croniro^®	Au – 72 Ni – 22 Cr – 6	1000	1832	975	1787
50% Gold 50% Copper	Au – 50 Cu – 50	970	1778	955	1751
Silver (BAg-0)	Ag – 99.99	960	1760	960	1760
Palnicro^®-36-M	Pd – 36 Cr – 10.5 B – 3 Si – 0.5 Ni – Bal	960	1760	820	1508
Nioro™ (AMS-4787; BAu-4)	Au – 82 Ni – 18	955	1751	955	1751
Palcusil^®-25	Ag – 54 Cu – 21 Pd – 25	950	1742	900	1652
RI-49	Au – 31 Ni – 9.75 Pd – 9.75 Mn – 16 Cu – 33.5	949	1740	927	1700
Nicoro^®-80	Au – 81.5 Cu – 16.5 Ni – 2	925	1697	910	1670
80% Gold 20% Copper	Au – 80 Cu – 20	910	1670	908	1666
Palcusil^®-15	Ag – 65 Cu – 20 Pd – 15	900	1652	850	1562
Incuro™ 60	Au – 60 Cu – 37 In – 3	900	1652	860	1580
Silcoro^®-75	Au – 75 Cu – 20 Ag – 5	895	1643	885	1652
Nicusil^®-8 (AMS-4765)	Ag – 56 Cu – 42 Ni – 2	893	1639	771	1420
Palcusil^®-10	Ag – 58.5 Cu – 31.5 Pd – 10	850	1535	805	1490
Gapasil^®-9	Ag – 82 Pd – 9 Ga – 9	880	1616	845	1553
Silcoro^®-60	Au – 60 Cu – 20 Ag – 20	845	1553	835	1535
95% Silver 5% Aluminium	Ag – 95 Al – 5	830	1526	780	1436
Palcusil^®-5	Ag – 68.5 Cu – 26.5 Pd – 5	814	1490	794	1463
Nicusiltin™6 (AMS-4774A)	Ag – 62.5 Cu – 29 Ni – 2.5 Sn – 6	802	1476	691	1275
Nicusil^®-3	Ag – 71.15 Cu – 28.1 Ni – 0.75	795	1463	780	1436
90% Silver 10% Gernamium	Ag – 90 Ge – 10	790	1454	651	1204
Cusil^®(BAg-8)	Ag – 72 Cu - 28	780	1436	780	1436
Cusiltin™-5	Ag – 68 Cu – 27 Sn – 5	760	1400	743	1369
Incusil^®-10	Ag – 63 Cu – 27 In – 10	730	1346	685	1265
Cusiltin™-10 (AMS-4773)	Ag – 60 Cu – 30 Sn – 10	718	1324	602	1116
Incusil^®-15	Ag – 61.5 Cu – 23.5 In – 15	725	1335	605	1120
Georo™	Au – 88 Ge – 12	361	682	361	682
Orotin™	Au – 80 Sn – 20	280	536	280	536
Special Alloys: we will be pleased to quote your special requests.
Zn – Less than .001% Cd– Less than .001% Pb – Less than .002% P - Less than .002% C - Less than .005%		Impurity limits – All other metallic impurities having a vapor pressure higher than 10-7 mm Hg at 500°C are limited to .002% each. Impurities having a vapor pressure lower than 10-7 mm Hg at 500°C are limited to a total of .050%. (Applicable to all forms except powder and extrudable paste).

Braze Alloys

Precious Brazing Filler Metals

Precious Brazing Filler Metals Properties

Find out more on our braze alloys

View our datasheets here

For more information on utilising precious brazing filler metals, contact us today