Gold & Palladium Alloys


Aimtek Alloy # Industry Specifications Nominal Composition (Percent %) Solidus
(Melting Point)
Liquidus
(Flow Point)
Common Applications
Au Pd Ag Ni Cu Others °F °C °F °C
G375 AWS A5.8 BAu-1 37.5 62.5 1815 991 1860 1016 Copper, Nickel, Kovar, Metallized Ceramics
G80 AWS A5.8 BAu-2, BVAu-2 80 20 1635 891 1635 891 Low melting temperature applications
G35N AWS A5.8 BAu-3, BVAu-3 RBO170-065
GPS2451-1 Type VIII
35 3 62 1785 974 1885 1029 Stainless Steel, Kovar, Molybdenum, Manganese, Nickel
G82 AWS A5.8 BAu-4, BVAu-4 AMS4787, PWA698
B20L1A, B20L1C
MSRR9500/118
RBO170-064
GPS2451-1 Type II
82 18 1742 950 1742 950 Stainless Steel, Nickel, Kovar, Inconels; Tubes, manifolds, nozzles, vane rings
G30P AWS A5.8 BAu-5
AMS4785
GPS2451-1 Type IV
30 34 36 2075 1135 2130 1166 High Strength for Superalloys
G708 AWS A5.8 BAu-6
AMS4786
RBO170-60
GPS2451-1 Type VII
70 8 22 1845 1007 1915 1046 Stainless Steel, Superalloys
G50P AWS A5.8 BVAu-7
AMS4784
RBO170-59
GPS2451-1 Type I
50 25 25 2015 1102 2050 1121 High Strength for Superalloys
G92P AWS A5.8 BVAu-8 92 8 2190 1199 2265 1241 Superalloys; Wetting to Molybdenum,Tungsten, and Tantalum
P685 AWS A5.8 BVAg-30 5 68 27 1485 807 1490 810 Copper, Nickel, Kovar, Metallized Ceramics
P5810 AWS A5.8 BVAg-31 10 58 32 1515 824 1565 852 Copper, Nickel, Kovar, Metallized Ceramics
P5425 AWS A5.8 BVAg-32
PWA706
25 54 21 1650 899 1740 949 Stainless Steel, Nickel, Kovar, Inconels; Tubes, manifolds, nozzles, vane rings
P65 AWS A5.8 BVPd-1
GPS2451-1 Type V
65 35 Co 2245 1229 2255 1235 Stainless Steel, Superalloys; Wetting to Tungsten and Molybdenum
G70 PWA718 70 30 1760 960 1925 1052 Wide gap joining of Stainless Steel, Nickel alloys
P60 60 40 2260 1238 2260 1238 Stainless Steel, Superalloys; Wetting to Tungsten and Molybdenum
P6515 15 65 20 1562 850 1652 900 Copper, Nickel, Kovar, Metallized Ceramics
P30 B50TF198
M385, Alloy 30
30.5 56.6 10.5 Cr, 2.45 B 1725 941 1790 977 Stainless Steel, Nickel, Kovar, Inconels; Tubes, manifolds, stators, vane rings
P36 PWA36099, CPW475 36 50 10.5 Cr, 2.85 B, 0.65 Si 1510 821 1760 960 Stainless Steel, Nickel, Kovar, Inconels; Tubes, manifolds, stators, vane rings
G35 AWS A5.8 BVAu-9 35 65 1814 990 1850 1010 Copper, Nickel, Kovar, Metallized Ceramics
G20I 2 78 2 In 1787 975 1877 1025 Stainless Steel, Kovar, Molybdenum, Manganese, Nickel
G50 AWS A5.8 BVAu-10 50 50 1751 955 1778 970 Copper, Nickel, Kovar, Metallized Ceramics
G35M RI-46 35 10 14 31.5 9.5 Mn 1780 971 1840 1004 Tungsten Carbide to Superalloys
G40 40 60 1796 980 1832 1000 Copper, Nickel, Kovar, Metallized Ceramics
G81N 81.5 2 16.5 1670 910 1697 925 Copper, Nickel, Kovar, Metallized Ceramics
G60I 60 37 3 In 1580 860 1652 900 Stainless Steel, Kovar, Molybdenum, Manganese, Nickel
G74 73.8 26.2 1796 980 1850 1010 Stainless Steel, Superalloys, wide gaps
G75 RBO170-162 75 5 20 1625 885 1643 895 Step Brazing
P829 9 82 9 Ga 1553 845 1616 880 Joining Titanium to Stainless Steel
G60 RBO170-161 60 20 20 1535 835 1553 845 Step Brazing
G72 GPS2451-1 Type VI 70 22 6 Cr 1787 975 1832 1000 Stainless Steel, minimizes Chromium depletion, Diamond
P4822 22.5 48.5 10 19 1670 910 2155 1179 Wide gap brazing of Stainless Steels
P9010 10 90 1877 1025 1958 1070 Titanium, Stainless Steels
G31P RI-49 31 9.75 9.75 33.5 16 Mn 1700 927 1740 949 Tungsten Carbide to Superalloys
G100 99.99 1947 1064 1947 1064 High purity, wetting to most metals
P100 99.99 2831 1555 2831 1555 Refractory Metals
PT100 99.99 min. Pt 3216 1769 3216 1769 Thermocouples, Refractory Metals, High Temperature Brazing
G7030 70 30 1895 1035 1900 1038
G30 MSRR9500/710 30 70 1704 929 1749 954 Copper, Nickel, Kovar, Metallized Ceramics
G205 B50TF145 20.5 66.4 2.2 Fe, 3.3 Si, 2.1 B 1726 941 1780 971 Stainless Steel, Kovar, Molybdenum, Manganese, Nickel
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