Nickel & Cobalt Braze Alloys


*All compositions represent the Nominal Composition in %

Aimtek Alloy#Industry Specifications Ni %Co %Cr %B %Si %Others %Solidus (Melting Point) °FSolidus (Melting Point) °C Liquidus (Flow Point) °FLiquidus (Flow Point) °C Common Applications
NI75AWS A5.8 BNi-1 AMS4775 MSRR9500/103 EMS71000 EMS54752 Type IV73 143.25 4.54.5 Fe, 0.75 C179097719001038Jet engine parts, turbine blades; high temperature, high stress parts
NI76AWS A5.8 BNi-1a AMS4775 MSRR9500/103 EMS71000 EMS54752 Type IV73143.254.54.5 Fe 179097719701077Jet engine parts; high temperature, high stress parts; lower Carbon content, good for wide gaps; Aircraft, Missile, Nuclear, Food Processing; Torch brazing
NI77AWS A5.8 BNi-2 AMS4777 B50TF204 PWA1183 MSRR9500/97 EMS56610 EMS54752 Type II EMS94777 DMR35.302 PMI1092 MS1063 CD1068 CUK01-0918273.254.53 Fe17809711830999Jet engine diffuser parts; high temperature, high stress parts; Non-Ferrous alloys, steels, thin materials, heat exchangers, honeycomb; lower melting temperature general purpose alloy
NI78AWS A5.8 BNi-3 AMS4778 B50TF205 MSRR9500/114 EMS56600 EMS54752 Type I EMS94778 DMR35.304 CD1067 CUK01-091 App. 11923.254.5180098219001038General 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. 1094.51.853.5180098219501066Wide melting range, wide gap applications; thin honeycomb, food processing pump impellers, glass mold crack repair, torch brazing
NI82AWS A5.8 BNi-5 AMS4782 B50TF81 B14Y3 B50A820 B50A935 MSRR9500/116 EMS56630 EMS56635 EMS54752 Type V EMS94782 DMR35.322 CD1091711910.251975107920751135Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI50 WS A5.8 BNi-5a B50TF217 72.2191.57.31924105120911144Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI51 AWS A5.8, BNi-5b 76.35151.47.251886103020581126Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI89AWS A5.8 BNi-6 PWA36100 MSRR9500/707, 727 EMS54752 Type XI8911 P 16108771610877Chromium-free alloy, good for marginal atrmospheres; aircraft compressors, aircraft spark plugs
NI70AWS A5.8 BNi-7 761410.1 P1630888163088811 P
NI94AWS A5.8 BNi-8 B50TF94 HS6800-00165.5723 Mn, 4.5 Cu180098218501010Nickel, Cobalt, Stainless Steel, Low Carbon Steel, crack repairs
NI62AWS A5.8 BNi-9 PWA36962 B50TF207 MSRR9500/719 EMS54752 Type VIII DMR35.307 CD1125 MS109081.25153.751930105419301054Stainless Steel, jet engine parts, nozzle assemblies; Silicon-free alloy, diffusion brazing
NI449B50TF20856.8 21.8152.93.5175095420651129For applications with tight tolerances and thin sections; Cobalt promotes wetting and solid solutioning in braze joint for fatigue resistance
NI10AWS A5.8 BNi-10 PWA693 B14Y10 EMS56625 EMS54752 Type III62.511.52.53.53.5 Fe, 0.5 C, 16 W178097121201160Cobalt, Tungsten, Molybdenum, high strength, high temperatures; Rocket engine rotor turbine assemblies
NI11AWS A5.8 BNi-11 MSRR9500/703 EMS5662367.510.52.653.83.25 Fe, 0.4 C, 11.75 W178097120001093Cobalt, Tungsten, Molybdenum, high strength, high temperatures; thin walled combustion chambers
NI12 AWS A5.8 BNi-12 652510 P 16208821740949Thin walled honeycomb, tube assemblies, high strength; coating Copper dies
NI13AWS A5.8 BNi-13 78.27.93.24.22.5 Cu, 2 Mo, 2 Nb, 0.02 C177596819801082Aircraft, Missiles, Food processing equipment
NI14AWS A5.8 BNi-14 67.5 226.54 P 173094319601071Higher burst strength in heat exchangers
NI97PWA797 B50TF142 MSRR9500/73073.517.1 0.19.31975107920751135Thin walled materials, honeycomb, wide gaps
NI43B50TF14376.7515.2581975107920751135Thin walled materials, honeycomb, wide gaps, Boron-free
NI96PWA996 CPW49475.25132.754.54.5 Fe176096020601127Jet engine parts; high temperature, high stress parts; lower Carbon content, good for wide gaps and tight tolerances; Aircraft, Missile, Nuclear, Food Processing; Torch brazing
NI101PWA3610127.554 Ti, 18.5 Cu17009271735946Heat Exchangers, honeycomb, thin materials, airframe, chassis, fan blades, vanes, seals
NI64AMS47649.552.5 Cu, 28 Mn16168801697925Steel alloys
NI100B50TF1799.52540 139326001427Wide gap filler material
DF-3 EMS54752 Type XVIII MS2033 54202033 Ta, 0.05 La1920104920501121Diffusion 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
67.2510142.753.5 Al, 2.5 Ta, 0.05 Y1950106620501121Diffusion 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 76.713.52.84 Al, 3 Ta, 0.02 Y1975107921151157Diffusion 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 203.153 Ta, 0.03 Y1925105221151157Diffusion 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 MS108565.89.7515.32.33.45 Al, 3.4 Ta2000109321251163Diffusion 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)
BRBEMS54752 Type XIX BZ003 Type 10 MTS139170.859.513.52.53.65 Al 1931105520481120Diffusion 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 10.5144.8 Ti, 4 Mo, 3.85 W, 3 Al, 0.16 C2000109321101154Diffusion 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
IN718BB50TF203 MS1089 18.52.318 Fe, 5 Nb+Ta, 3 Mo, 0.9 Ti, 0.5 Al, 0.05 C2020110422501232Diffusion braze alloy for repair of Nickel based superalloy components such as IN625, IN718, and IN738; crack repairs and restoration when mixed with superalloy powders
A914EMS54752 Type IX DMR35.303 DMR35.35272.7202.84.51925105221751191Chromium-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)
CO783AWS A5.8 BCo-1 AMS4783 PWA 713 PWA1186-1 B50T56 MSRR9500/726 EMS56650 PMI1277 CD1130 MS11121751190.880.4 C, 4 W2050112121001149Cobalt and Superalloys; high elevated-temperature strength; honeycomb, first stage turbine nozzle guide vanes;
CO851PWA1185-1 4032.524.532150117722001204Cobalt, Superalloys, turbine airfoils
Mar-M-509BB50TF305 B50A989 MS1120 B-591052.2523.52.57 W, 3.5 Ta, 0.6 C, 0.45 Zr, 0.25 Ti2065112921301166Diffusion 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 21.53921.52 214 W, 0.06 La2120116022651241High temperature braze filler metal for brazing Cobalt based superalloy components; crack repair and restoration when mixed with superalloy powders
CO716PWA7161058.8 Cu, 31.5 Mn16458961830999Stainless Steel
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