Nickel & Cobalt Braze Alloys


Aimtek Alloy# Industry Specifications Nominal Composition (Percent %) Solidus (Melting Point) Liquidus (Flow Point) Common Applications
    Ti Cu Ni Zr   Others °F °C °F °C  
NI75 AWS A5.8 BNi-1 AMS4775 MSRR9500/103 EMS71000 EMS54752 Type IV 73   14 3.25 4.5 4.5 Fe, 0.75 C 1790 977 1900 1038 Jet engine parts, turbine blades; high temperature, high stress parts
NI76 AWS A5.8 BNi-1a AMS4776 MSRR9500/705 EMS71005 EMS54752 Type XIII 74   14 3.25 4.5 4.5 Fe 1790 977 1970 1077 Jet engine parts; high temperature, high stress parts; lower Carbon content, good for wide gaps; Aircraft, Missile, Nuclear, Food Processing; Torch brazing
NI77 AWS A5.8 BNi-2 AMS4777 B50TF204 PWA1183 MSRR9500/97 EMS56610 EMS54752 Type II EMS94777 DMR35.302 PMI1092 MS1063 CD1068 CUK01-091 82   7 3.25 4.5 3 Fe 1780 971 1830 999 Jet engine diffuser parts; high temperature, high stress parts; Non-Ferrous alloys, steels, thin materials, heat exchangers, honeycomb; lower melting temperature general purpose alloy
NI78 AWS A5.8 BNi-3 AMS4778 B50TF205 MSRR9500/114 EMS56600 EMS54752 Type I EMS94778 DMR35.304 CD1067 CUK01-091 App. 11 92     3.25 4.5   1800 982 1900 1038 General purpose applications, tight joint clearances, honeycomb, missile guidance tubes
NI79 AWS A5.8 BNi-4 AMS4779 B50TF206 B50TF26 MSRR9500/700 EMS54752 Type X EMS94779 DMR35.305 CD1093 CD1176 PMI1095 COK01-091 App. 10 94.5     1.85 3.5   1800 982 1950 1066 Wide melting range, wide gap applications; thin honeycomb, food processing pump impellers, glass mold crack repair, torch brazing
NI82 AWS A5.8 BNi-5 AMS4782 B50TF81 B14Y3 B50A820 B50A935 MSRR9500/116 EMS56630 EMS56635 EMS54752 Type V EMS94782 DMR35.322 CD1091 71   19   10.25   1975 1079 2075 1135 Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI50 WS A5.8 BNi-5a B50TF217 72.2   19 1.5 7.3   1924 1051 2091 1144 Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI51 AWS A5.8, BNi-5b 76.35   15 1.4 7.25   1886 1030 2058 1126 Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI89 AWS A5.8 BNi-6 PWA36100 MSRR9500/707, 727 EMS54752 Type XI 89         11 P 1610 877 1610 877 Chromium-free alloy, good for marginal atrmospheres; aircraft compressors, aircraft spark plugs
NI70 AWS A5.8 BNi-7 76   14     10.1 P 1630 888 1630 888 Thin walled honeycomb, tube assemblies, heat exhangers, nuclear reactor grids
NI94 AWS A5.8 BNi-8 B50TF94 HS6800-001 65.5       7 23 Mn, 4.5 Cu 1800 982 1850 1010 Nickel, Cobalt, Stainless Steel, Low Carbon Steel, crack repairs
NI62 AWS A5.8 BNi-9 PWA36962 B50TF207 MSRR9500/719 EMS54752 Type VIII DMR35.307 CD1125 MS1090 81.25   15 3.75     1930 1054 1930 1054 Stainless Steel, jet engine parts, nozzle assemblies; Silicon-free alloy, diffusion brazing
NI449 B50TF208 56.8 21.8 15 2.9 3.5   1750 954 2065 1129 For applications with tight tolerances and thin sections; Cobalt promotes wetting and solid solutioning in braze joint for fatigue resistance
NI10 AWS A5.8 BNi-10 PWA693 B14Y10 EMS56625 EMS54752 Type III 62.5   11.5 2.5 3.5 3.5 Fe, 0.5 C, 16 W 1780 971 2120 1160 Cobalt, Tungsten, Molybdenum, high strength, high temperatures; Rocket engine rotor turbine assemblies
NI11 AWS A5.8 BNi-11                              MSRR9500/703              EMS56623 67.5   10.5 2.65 3.8 3.25 Fe, 0.4 C, 11.75 W 1780 971 2000 1093 Cobalt, Tungsten, Molybdenum, high strength, high temperatures; thin walled combustion chambers
NI12 AWS A5.8 BNi-12 65   25     10 P 1620 882 1740 949 Thin walled honeycomb, tube assemblies, high strength; coating Copper dies
NI13 AWS A5.8 BNi-13 78.2   7.9 3.2 4.2 2.5 Cu, 2 Mo, 2 Nb, 0.02 C 1775 968 1980 1082 Aircraft, Missiles, Food processing equipment
NI14 AWS A5.8 BNi-14 67.5   22   6.5 4 P 1730 943 1960 1071 Higher burst strength in heat exchangers
NI97 PWA797 B50TF142 MSRR9500/730 73.5   17.1 0.1 9.3   1975 1079 2075 1135 Thin walled materials, honeycomb, wide gaps
NI43 B50TF143 76.75   15.25   8   1975 1079 2075 1135 Thin walled materials, honeycomb, wide gaps, Boron-free
NI96 PWA996                                      CPW494 75.25   13 2.75 4.5 4.5 Fe 1760 960 2060 1127 Jet engine parts; high temperature, high stress parts; lower Carbon content, good for wide gaps and tight tolerances; Aircraft, Missile, Nuclear, Food Processing; Torch brazing
NI101 PWA36101 27.5         54 Ti, 18.5 Cu 1700 927 1735 946 Heat Exchangers, honeycomb, thin materials, airframe, chassis, fan blades, vanes, seals
NI64 AMS4764 9.5         52.5 Cu, 28 Mn 1616 880 1697 925 Steel alloys
NI100 B50TF17 99.5           2540 1393 2600 1427 Wide gap filler material
DF-3 EMS54752 Type XVIII        MS2033 54 20 20 3   3 Ta, 0.05 La 1920 1049 2050 1121 Diffusion braze alloy for braze repair of tight or deep cracks on Nickal and Cobalt based superalloy components; wide gap repairs when mixed with superalloy powder
DF-4B MSRR9500/724 67.25 10 14 2.75   3.5 Al, 2.5 Ta, 0.05 Y 1950 1066 2050 1121 Diffusion braze alloy for braze repair of superalloy components; thick buildup when mixed with superalloy powder; strong, tough, resilient joints due to gamma prime strengthening and solution hardening from the addition of Tantalum
DF-5   76.7   13.5 2.8   4 Al, 3 Ta, 0.02 Y 1975 1079 2115 1157 Diffusion braze alloy for braze rpair of Nickel based precipitation strengthening alloys such as IN713 and IN718.  Aluminum added for gamma prime strengthening; wide gaps when mixed with superalloy powders
DF-6A EMS54752 Types XV, XVIV     20 3.15   3 Ta, 0.03 Y 1925 1052 2115 1157 Diffusion braze alloy for repair of Nickel based superalloy components; crack repairs, dimensional restoration, when mixed with superalloy powders; homogenization of braze joint
D-15 B50TF173 B50A942 CD1117 MS1085 65.8 9.75 15.3 2.3   3.45 Al, 3.4 Ta 2000 1093 2125 1163 Diffusion braze alloy for repair of Nickel based superalloy and single crystal components; crack repairs, dimensional restoration, when mixed with superalloy powders; service temperatures up to 1900°F (1040°C)
BRB EMS54752 Type XIX BZ003 Type 10 MTS1391 70.85 9.5 13.5 2.5   3.65 Al 1931 1055 2048 1120 Diffusion braze alloy for repair of Nickel based superalloy components; crack repairs, dimensional restoration, when mixed with superalloy powders; service temperatures up to 2050°F (1121°C)
B-93 B50TF108   10.5 14 0.65 4.65 4.8 Ti, 4 Mo, 3.85 W, 3 Al, 0.16 C 2000 1093 2110 1154 Diffusion braze alloy for repair of Nickel based superalloy and single crystal components; crack repairs when mixed with superalloy powders; service temperatures up to 1900°F (1040°C); gas turbine component repair
IN718B B50TF203 MS1089     18.5 2.3   18 Fe, 5 Nb+Ta, 3 Mo, 0.9 Ti,      0.5 Al, 0.05 C 2020 1104 2250 1232 Diffusion braze alloy for repair of Nickel based superalloy components such as IN625, IN718, and IN738; crack repairs and restoration when mixed with superalloy powders
A914 EMS54752 Type IX DMR35.303 DMR35.352 72.7 20   2.8 4.5   1925 1052 2175 1191 Chromium-free alloy with excellent ductility and high temperature joint strength; Nickel and Cobalt honeycomb structures, seals, wear rings, heat exchangers; high joint strength for service temperatures of 1600-2200°F (870-1205°C)
CO783 AWS A5.8 BCo-1 AMS4783 PWA 713 PWA1186-1 B50T56 MSRR9500/726 EMS56650 PMI1277 CD1130 MS1112 17 51 19 0.8 8 0.4 C, 4 W 2050 1121 2100 1149 Cobalt and Superalloys; high elevated-temperature strength; honeycomb, first stage turbine nozzle guide vanes;
CO851 PWA1185-1 40 32.5 24.5 3     2150 1177 2200 1204 Cobalt, Superalloys, turbine airfoils
Mar-M-509B B50TF305 B50A989 MS1120 B-59 10 52.25 23.5 2.5   7 W, 3.5 Ta, 0.6 C, 0.45 Zr, 0.25 Ti 2065 1129 2130 1166 Diffusion braze alloy for Cobalt based superalloy components in high temperature service conditions; crack repairs, restoration, and build-up when mixed with superalloy powder; excellent joint strength
H188-B CUK01-091 App. 2 MTS1523-1 21.5 39 21.5 2 2 14 W, 0.06 La 2120 1160 2265 1241 High temperature braze filler metal for brazing Cobalt based superalloy components; crack repair and restoration when mixed with superalloy powders
CO716 PWA716   10       58.8 Cu, 31.5 Mn 1645 896 1830 999 Stainless Steel
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