Nickel and Cobalt Brazing Alloys


Aimtek Alloy No. Industry SpecificationsNominal Composition (Percent %)Solidus (Melting Point)Liquidus (Flow Point)Common Applications
NiCoCrBSiOthers°F°C°F°C
NI100 B50TF1799.525401393.333333333326001426.6666666667Wide gap filler material
NI79 AWS A5.8 BNi-4 AMS4779 B50TF206, B50TF26 MSRR9500/700 EMS54752 Type X EMS94779 DMR35.305 CD1093, CD1176 PMI1095 COK01-091 App. 1094.51.853.51800982.2222222222219501065.5555555556Wide melting range, wide gap applications; thin honeycomb, food processing pump impellers, glass mold crack repair, torch brazing
NI78 AWS A5.8 BNi-3 AMS4778 B50TF205 MSRR9500/114 EMS56600 EMS54752 Type I EMS94778 DMR35.304 CD1067 CUK01-091 App. 11923.254.51800982.2222222222219001037.7777777778General purpose applications, tight joint clearances, honeycomb, missile guidance tubes
NI89 AWS A5.8 BNi-6 PWA36100 MSRR9500/707, 727 EMS54752 Type XI8911 P1610876.666666666671610876.66666666667Chromium-free alloy, good for marginal atrmospheres; aircraft compressors, aircraft spark plugs
NI77 AWS A5.8 BNi-2 AMS4777 B50TF204 PWA1183 MSRR9500/97 EMS56610 EMS54752 Type II EMS94777 DMR35.302 PMI1092 MS1063 CD1068 CUK01-0918273.254.53 Fe1780971.111111111111830998.88888888889Jet engine diffuser parts; high temperature, high stress parts; Non-Ferrous alloys, steels, thin materials, heat exchangers, honeycomb; lower melting temperature general purpose alloy
NI62 AWS A5.8 BNi-9 PWA36962 B50TF207 MSRR9500/719 EMS54752 Type VIII DMR35.307 CD1125 MS109081.25153.7519301054.444444444419301054.4444444444Stainless Steel, jet engine parts, nozzle assemblies; Silicon-free alloy, diffusion brazing
NI13AWS A5.8 BNi-1378.27.93.24.22.5 Cu, 2 Mo, 2 Nb, 0.02 C1775968.3333333333319801082.2222222222Aircraft, Missiles, Food processing equipment
NI43 B50TF14376.7515.25819751079.444444444420751135Thin walled materials, honeycomb, wide gaps, Boron-free
DF-576.713.52.84 Al, 3 Ta, 0.02 Y19751079.444444444421151157.2222222222Diffusion 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
NI51AWS A5.8, BNi-5b76.35151.47.251886103020581125.5555555556Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI70 AWS A5.8 BNi-7761410.1 P1630887.777777777781630887.77777777778Thin walled honeycomb, tube assemblies, heat exhangers, nuclear reactor grids
NI96 PWA996 CPW49475.25132.754.54.5 Fe176096020601126.6666666667Jet engine parts; high temperature, high stress parts; lower Carbon content, good for wide gaps and tight tolerances; Aircraft, Missile, Nuclear, Food Processing; Torch brazing
NI76 AWS A5.8 BNi-1a AMS4776 MSRR9500/705 EMS71005 EMS54752 Type XIII74143.254.54.5 Fe1790976.6666666666719701076.6666666667Jet engine parts; high temperature, high stress parts; lower Carbon content, good for wide gaps; Aircraft, Missile, Nuclear, Food Processing; Torch brazing
NI97 PWA797 B50TF142 MSRR9500/73073.517.10.19.319751079.444444444420751135Thin walled materials, honeycomb, wide gaps
NI75 AWS A5.8 BNi-1 AMS4775 MSRR9500/103 EMS71000 EMS54752 Type IV73143.254.54.5 Fe, 0.75 C1790976.6666666666719001037.7777777778Jet engine parts, turbine blades; high temperature, high stress parts
A914EMS54752 Type IX DMR35.303 DMR35.35272.7202.84.519251051.666666666721751190.5555555556Chromium-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)
NI50AWS A5.8 BNi-5a B50TF21772.2191.57.319241051.111111111120911143.8888888889Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
NI82 AWS A5.8 BNi-5 AMS4782 B50TF81, B14Y3, B50A820 B50A935 MSRR9500/116 EMS56630, EMS56635 EMS54752 Type V, EMS94782 DMR35.322 CD1091711910.2519751079.444444444420751135Corrosion and heat resistant alloys, Boron-free; Honeycomb, heat exchangers, catalytic converters
BRBEMS54752 Type XIX BZ003 Type 10 MTS139170.859.513.52.53.65 Al1931105520481120Diffusion 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)
NI11AWS A5.8 BNi-11 MSRR9500/703 EMS5662367.510.52.653.83.25 Fe, 0.4 C, 11.75 W1780971.1111111111120001093.3333333333Cobalt, Tungsten, Molybdenum, high strength, high temperatures; thin walled combustion chambers
NI14AWS A5.8 BNi-1467.5226.54 P1730943.3333333333319601071.1111111111Higher burst strength in heat exchangers
DF-4BMSRR9500/72467.2510142.753.5 Al, 2.5 Ta, 0.05 Y19501065.555555555620501121.1111111111Diffusion 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
D-15B50TF173 B50A942 CD1117 MS108565.89.7515.32.33.45 Al, 3.4 Ta20001093.333333333321251162.7777777778Diffusion 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)
NI94 AWS A5.8 BNi-8 B50TF94 HS6800-00165.5723 Mn, 4.5 Cu1800982.2222222222218501010Nickel, Cobalt, Stainless Steel, Low Carbon Steel, crack repairs
NI12AWS A5.8 BNi-12652510 P1620882.222222222221740948.88888888889Thin walled honeycomb, tube assemblies, high strength; coating Copper dies
NI10AWS A5.8 BNi-10 PWA693 B14Y10 EMS56625 EMS54752 Type III62.511.52.53.53.5 Fe, 0.5 C, 16 W1780971.1111111111121201160Cobalt, Tungsten, Molybdenum, high strength, high temperatures; Rocket engine rotor turbine assemblies
NI449B50TF20856.821.8152.93.51750954.4444444444420651129.4444444444For applications with tight tolerances and thin sections; Cobalt promotes wetting and solid solutioning in braze joint for fatigue resistance
DF-3EMS54752 Type XVIII MS203354202033 Ta, 0.05 La19201048.888888888920501121.1111111111Diffusion 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
CO851PWA1185-14032.524.5321501176.666666666722001204.4444444444Cobalt, Superalloys, turbine airfoils
NI101 PWA3610127.554 Ti, 18.5 Cu1700926.666666666671735946.11111111111Heat Exchangers, honeycomb, thin materials, airframe, chassis, fan blades, vanes, seals
H188-BCUK01-091 App. 2 MTS1523-121.53921.52214 W, 0.06 La2120116022651240.5555555556High temperature braze filler metal for brazing Cobalt based superalloy components; crack repair and restoration when mixed with superalloy powders
CO783 AWS A5.8 BCo-1 AMS4783 PWA 713 PWA1186-1 B50T56 MSRR9500/726 EMS56650 PMI1277 CD1130 MS11121751190.880.4 C, 4 W20501121.111111111121001148.8888888889Cobalt and Superalloys; high elevated-temperature strength; honeycomb, first stage turbine nozzle guide vanes;
Mar-M-509BB50TF305 B50A989 MS1120 B-591052.2523.52.57 W, 3.5 Ta, 0.6 C, 0.45 Zr, 0.25 Ti20651129.444444444421301165.5555555556Diffusion 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
NI64 AMS47649.552.5 Cu, 28 Mn16168801697925Steel alloys
DF-6AEMS54752 Types XV, XVIV203.153 Ta, 0.03 Y19251051.666666666721151157.2222222222Diffusion braze alloy for repair of Nickel based superalloy components; crack repairs, dimensional restoration, when mixed with superalloy powders; homogenization of braze joint
B-93B50TF10810.5140.654.654.8 Ti, 4 Mo, 3.85 W, 3 Al, 0.16 C20001093.333333333321101154.4444444444Diffusion 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 MS108918.52.318 Fe, 5 Nb+Ta, 3 Mo, 0.9 Ti, 0.5 Al, 0.05 C20201104.444444444422501232.2222222222Diffusion braze alloy for repair of Nickel based superalloy components such as IN625, IN718, and IN738; crack repairs and restoration when mixed with superalloy powders
CO716 PWA7161058.8 Cu, 31.5 Mn1645896.111111111111830998.88888888889Stainless Steel
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