Materials E-Guide
Download Center
Amdry 400 is a cobalt-based braze filler metal designed to join cobalt-based components. It has a composition similar to AWS BCo-1 and AMS 4783, grade 1040F. Joints of Amdry 400 offer high strength, good ductility, and excellent corrosion and oxidation resistance. Vacuum brazing Amdry 400 is recommended t, but atmospheres of argon, nitrogen and dry hydrogen can also be accomplished. It is available as a powder, but may be purchased in paste or customized tape upon request.
Characteristics
| Material type | Brazing Powder |
|---|---|
| Product form | Powder |
| Material safety datasheet number | 50-784 |
| Achieved surface function primary |
Dimensional Restoration |
| Suitable for service environmen |
Combustion/Flue Gas |
| Recommanded brazing range (min) | 1149 |
| Recommanded brazing range (max) | 1232 |
| Brazing gap size range (min) | 0.01 |
| Brazing gap size range (max) | 0.1 |
| Liquidus temp. | 1149 |
| Solidus temp. | 1121 |
| Base composition | Cobalt |
| Nominal chemistry | Co 19Cr 17Ni 8Si 4W 0.8B 0.4C |
| Customer specification approved |
AWS A5.8 BCo-1, 140F Pratt & Whitney PWA 1186-1 Rolls-Royce Corporation EMS 56650 SAE International AMS 4783, 140F Turbine Airfoil Coating and Repair MS 1112 |
| Recommended process technology |
Brazing |
| Datasheet number | DSM-0335 |