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Bellman Melcor

Item # BrazeIt 773

Copper brazing alloy used mainly to join carbide to steel. Offers high strength and economy compared to silver brazing alloys.

BrazeIt #773 is a high temperature, high strength corrosion resistant copper brazing alloy that is primarily used for the joining of steel to steel or carbide to steel. Due to the high flow point, we recommend the use of Black Flux. Because of the zinc content, it is recommended that the heat cycle is kept to a minimum to prevent any vaporizing of the zinc. BrazeIt #773 is often commonly referred to as a Nickel Silver alloy

Material Nickel-Silver
Melting Pt. 1690 ºF 921 ºC
Flow Pt. 1715 ºF 935 ºC
MBT 1800
MIL R-19631
Federal Specification QQ-B-650
Preform Options Brazing Discs Brazing Rings Brazing Spheres Custom Design Cutoffs
Resale Options Brazing Paste Brazing Rod Brazing wire Spooled Brazing Material
Approx. Wire Length (BCuP/lb.) (BAg/Tr.oz) 1097 in; 0.062 diameter 4475 in; 0.031 diameter 487 in; 0.093 diameter

Bellman-Melcor distinguishes itself as a provider of premium quality brazing alloys at industry competitive prices. Our extensive inventory of brazing and soldering alloys ensures that in most cases your order can be available for immediate delivery.

Solidus 1690 ºF 921 ºC
Liquidus 1715 ºF 935 ºC
Recommended Braze Temperature 1740 ºF
Specific Gravity 8.47
Density 0.296 lb./
Electrical Conductivity 5.5 % IACS
Electrical Resistivity 31.4 Micro ohm-cm
Color Light Yellow

A high temperature, high strength copper brazing alloy well suited for carbide to steel applications.

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7575 West 183rd Street
Tinley Park, Illinois 60477

Toll Free: 1-800-367-6024 | Fax: 1-888-BRAZE-IT (272-9348) |