High-Temp Black Brazing Flux Paste
Superior No. 601B/3411 General Purpose Black Brazing Flux is a Boron-modified flux that meets the AMS 3411 specification. It is formulated for applications where temperatures reach 980°C/1800°F, such as saw-blade carbides.
No. 601B/3411
| Superior Flux Number | No. 601B/3411 |
| Description | High-temp, black brazing flux paste; boron-modified. |
| Rec. Base Metals | Ferrous and non-ferrous alloys, stainless and carbide |
| Rec. Filler Metals | BAg, BCuP |
| Rec. Temp Ranges | 565-980°C / 1050-1800°F |
| Specs. | AMS 3411; AWS A5.31-19, Type FB3C; O-F 499, Type B |
| SDS | Link |
| Spec. Sheet | Link |
Superior No. 601B/3411 is RoHS compliant.
Superior No. 601B/3411 is a boron-modified, hi-temp silver brazing paste flux that meets AMS 3411 specifications. Whereas the typical silver brazing white flux (see Silver Brazing White Flux Paste) is active to 870°C/1600°F, No. 601B/3411 black brazing flux paste is active to 980°C/1800°F.