Nickel & Cobalt Braze Alloys

*All compositions represent the Nominal Composition in %

Aimtek Alloy#	Industry Specifications	Ni %	Co %	Cr %	B %	Si %	Others %	Solidus (Melting Point) °F	Solidus (Melting Point) °C	Liquidus (Flow Point) °F	Liquidus (Flow Point) °C	Common Applications
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	73		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	AWS 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	11 P
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	PWA36105, B50A1007, 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	73.85		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	59.7	10.5	14			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	51.8		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