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WAMBRAZE™ Solder Alloys
A vacuum cast process is used to produce "ultra clean" brazing alloys.
High-purity vacuum cast materials are manufactured by Williams in a variety of solder alloys, including gold brazing alloys for electronic packaging and high temperature joining vacuum electronic devices. All of our solder alloys and gold brazing alloys are available in a variety of shapes and forms, including ribbon, preform, ring and wire. Custom shapes can also be produced using our state-of-the-art design and fabrication equipment. Powders are available in select WAMBRAZE™ alloys.
Trace Impurities for Brazing Alloys:
- C: 50 ppm max.
- P and Pb*: 20 ppm max.
- Ca*, Cd*, Cs*, Li*, Mg*, Na*, Rb*, S*, Sb*, Se*, Sr*, Te*, Ti*, Zn*: each 10ppm Max.
- Total* 100 ppm max
- Hg: None detected
Impurity Limits
All other impurities having a vapor pressure higher than 10-7 mm Hg at 500 degrees C are limited to 10 ppm max. Impurities having a vapor pressure lower than 10-7 mm Hg at 500 degrees C are limited to a total of 50 ppm max.
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WAMBRAZE™ Solder Alloys are available in the following materials:
WAMBRAZE ™ |
Nominal Composition % |
Liquidus |
Solidus |
Compare To 1 |
AWS/AMS Numbers |
C |
F |
C |
F |
WB1240 |
Au 92, Pd 8 |
1240 |
2264 |
1200 |
2192 |
Paloro |
AWS BVAu-8 |
WB1238 |
Pd 60, Ni 40 |
1238 |
2260 |
1238 |
2260 |
Palni |
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WB1169 |
Au 30, Pd 34, Ni 36 |
1169 |
2136 |
1135 |
2075 |
Palniro 4 |
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WB1121 |
Au 50, Pd 25, Ni 25 |
1121 |
2050 |
1102 |
2016 |
Palniro 1 |
AMS 4784; AWS BVAu-7 |
WB1078 |
Au 10, Cu 90 |
1078 |
1972 |
1063 |
1945 |
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WB1037 |
Au 70, Ni 22, Pd 8 |
1037 |
1899 |
1005 |
1841 |
Palniro 7 |
AMS 4786; AWS BVAu-6 |
WB1030 |
Au 35, Cu 62, Ni 3 |
1030 |
1886 |
1000 |
1832 |
Nicoro |
AWS BAu-3 |
WB1025 |
Au 20, Cu 78, In 2 |
1025 |
1877 |
975 |
1787 |
Incuro 20 |
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WB1010 |
Au 35, Cu 65 |
1010 |
1850 |
990 |
1814 |
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WB1005 |
Au 37.5, Cu 62.5 |
1005 |
1841 |
985 |
1805 |
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AWS BAu-1 |
WB1004 |
Au 35.25, Cu 31, Ni 14, Pd 10, Mn 9.75 |
1004 |
1840 |
971 |
1780 |
RI46 |
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WB1000 |
Au 40, Cu 60 |
1000 |
1832 |
975 |
1796 |
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WB975 |
Cu 87.75, Ge 12, Ni .25 |
975 |
1787 |
880 |
1616 |
Gemco |
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WB970 |
Au 50, Cu 50 |
970 |
1778 |
955 |
1751 |
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WB955 |
Au 82, Ni 18 |
955 |
1751 |
955 |
1751 |
Nioro |
AWS BAu-4; AMS 4787 |
WB950 |
Ag 54, Cu 21, Pd 25 |
950 |
1742 |
900 |
1652 |
Palcusil 25 |
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WB949 |
Au 31, Cu 33.5, Ni 9.75, Pd 9.75, Mn 16 |
949 |
1740 |
927 |
1700 |
RI49 |
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WB925 |
Au 81.5, Cu 16.5, Ni 2 |
925 |
1697 |
910 |
1670 |
Nicoro 80 |
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WB900B |
Ag 65, Cu 20, Pd 15 |
900 |
1652 |
850 |
1562 |
Palcusil 15 |
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WB895 |
Au 75, Cu 20, Ag 5 |
895 |
1643 |
885 |
1625 |
Silcoro 75 |
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WB894 |
Ag 56, Cu 42, Ni 2 |
894 |
1640 |
772 |
1420 |
Nicusil 8 |
AWS BAg-13a; AMS 4765 |
WB880 |
Ag 82, Pd 9, Ga 9 |
880 |
1616 |
845 |
1553 |
Gapisil 9 |
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WB850 |
Ag 65, Cu 28, Mn 5, Ni 2 |
850 |
1560 |
750 |
1385 |
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WB853 |
Ag 58, Cu 32, Pd 10 |
853 |
1566 |
824 |
1515 |
Palcusil 10 |
AWS BVAg-31 |
WB830 |
Ag 95, Al 5 |
830 |
1526 |
780 |
1436 |
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WB845 |
Au 60, Cu 20, Ag 20 |
845 |
1553 |
835 |
1535 |
Silcoro 60 |
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WB814 |
Ag68 Cu27 Pd5 |
814 |
1490 |
794 |
1463 |
Palcusil 5 |
AWS BVAg-30 |
WB795 |
Ag 71.15, Cu 28.1, Ni .75 |
795 |
1463 |
780 |
1436 |
Nicusil 3 |
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WB780 |
Ag 72, Cu 28 |
780 |
1435 |
780 |
1435 |
Cusil |
AWS BAg-8, BT |
WB760 |
Ag 68, Cu 27, Sn 5 |
760 |
1400 |
743 |
1369 |
Cusiltin 5 |
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WB718 |
Ag 60, Cu 30, Sn 10 |
718 |
1324 |
602 |
1116 |
Cusiltin 10 |
AMS 4773; AWS BAg-18 |
WB705 |
Ag 61.5, Cu 24, In 14.5 |
705 |
1301 |
630 |
1166 |
Incusil 15 |
AWS BVAg-29 |
WB487 |
Au 81, In 19 |
487 |
909 |
487 |
909 |
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WB361 |
Au 88, Ge 12 |
361 |
682 |
361 |
682 |
Georo |
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WB280 |
Au 80, Sn 20 |
280 |
536 |
280 |
536 |
Orotin |
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PURE METAL |
Ag |
962 |
1763 |
962 |
1763 |
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Au |
1064 |
1947 |
1064 |
1947 |
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Cu |
1085 |
1985 |
1085 |
1985 |
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Ni |
1455 |
2651 |
1455 |
2651 |
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Pd |
1552 |
2826 |
1552 |
2826 |
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Pt |
1769 |
3216 |
1769 |
3216 |
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1The competing products listed by the trademarks of their supplier are for industry reference and comparison purposes only. None of the competing products, which are subject to change by their supplier, are available from Williams Advanced Materials. No claim is made by this listing that such supplier endorses any products made by Williams Advanced Materials. Note: With the exception of Ri 46 and Ri 49 all other names are trademarks of Wesgo Inc., and Morgan Crucible Company plc. |
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