Fluxes And Pastes
DESCRIPTION & APPLICATIONS :
Fluxes And Pastes play a critical role in achieving clean, strong, and reliable brazed joints. These products support proper metal flow by removing oxides, improving wetting, and protecting the joint area during heating. STAVINOX fluxes and pastes are designed for silver, copper, and brass brazing applications across industries that demand consistent joint strength and dependable performance under varied brazing conditions.
Grades & specifications
| STAVINOX Ag Flux | Filler Metals | International standards | Activity Range | |
|---|---|---|---|---|
| EN 1045 | AWS-FB | |||
| STAVINOX SILVER BRAZING POWDER A | BAg, BCup | FH10 | - | 500-800 |
| STAVINOX SILVER BRAZING POWDER B | BAg | - | FB3F | 600-815 |
| STAVINOX SILVER BRAZING PASTE C | BAg, BCup | FH10 | FB3A | 500-870 |
| STAVINOX SILVER BRAZING PASTE D | BAg, BCup | FH10 | FB3A | 550-870 |
| STAVINOX SILVER BRAZING PASTE E | BAg, BCup | FH 12 | FB3C | 600-925 |
| STAVINOX SILVER BRAZING POWDER | BAg, BCup | - | - | 500-750 |
| STAVINOX HI TEMP FLUX POWDER | RBCuZn Grade | FH 20 | - | 750-1000 |
| STAVINOX HI TEMP FLUX PASTE | RBCuZn Grade | FH 21 | FB3D | 750-1200 |
Key Features and Benefits of Fluxes And Pastes
Stanvac International offers a comprehensive range of brazing & welding flux solutions, including stainless steel flux and aluminum brazing flux, developed to meet different material and process requirements. These products are suitable for manual, torch, induction, and specialised brazing operations.
- Wide Formulation Range: Available in cadmium and cadmium-free grades, cadmium-free grades with tin, and high temperature in copper and brass brazing alloys, high temperature formulations to suit diverse brazing needs.
- Effective Oxide Removal: Designed to clean metal surfaces during heating, ensuring proper bonding and improved joint integrity.
- Superior Wetting Action: Enhances filler metal flow across joint surfaces, resulting in smooth and uniform brazed joints.
- Paste And Powder Options: Available as brazing flux paste and powder formats, allowing flexibility based on application method and operator preference.
- Supports Silver Brazing: Works efficiently as a flux for silver solder, helping achieve clean joints in precision and industrial brazing applications.
- Induction Brazing Compatibility: Selected formulations are suitable for induction brazing processes that require controlled heating.
- High Temperature Performance: High-temperature fluxes are ideal for brazing copper and brass alloys at elevated operating temperatures.
- Cost-Effective Solutions: Offers economical options without compromising performance, including cadmium and cadmium-free variants.
These advantages make STAVINOX brazing paste and flux solutions reliable for both routine and critical brazing applications.
Specifications of Fluxes And Pastes
Here are the available STAVINOX flux and paste variants along with their operating characteristics.
| Product Name | Filler Metals | EN 1045 | AWS FB | Activity Range °C |
| STAVINOX Silver Brazing Powder A | BAg, BCup | FH10 | - | 500 to 800 |
| STAVINOX Silver Brazing Powder B | BAg | - | FB3F | 600 to 815 |
| STAVINOX Silver Brazing Paste C | BAg, BCup | FH10 | FB3A | 500 to 870 |
| STAVINOX Silver Brazing Paste D | BAg, BCup | FH10 | FB3A | 550 to 870 |
| STAVINOX Silver Brazing Paste E | BAg, BCup | FH12 | FB3C | 600 to 925 |
| STAVINOX Silver Brazing Powder | BAg, BCup | - | - | 500 to 750 |
| STAVINOX Hi Temp Flux Powder | RBCuZn Grade | FH20 | - | 750 to 1000 |
| STAVINOX Hi Temp Flux Paste | RBCuZn Grade | FH21 | FB3D | 750 to 1200 |
This range allows users to select the most suitable brazing & welding flux based on filler metal, temperature, and application method.
Properties of Brazing Flux Paste
STAVINOX fluxes and pastes are engineered to deliver consistent results across a wide range of brazing conditions.
| Property | Description |
| Oxide Removal | Cleans metal surfaces effectively during heating |
| Wetting Performance | Promotes smooth filler metal flow |
| Temperature Stability | Performs reliably across specified activity ranges |
| Residue Control | Leaves minimal residue for easier post-brazing cleaning |
| Application Flexibility | Suitable for torch and induction brazing |
| Joint Integrity | Supports strong and uniform brazed joints |
| Material Compatibility | Works with silver, copper, and brass brazing alloys |
These properties ensure dependable performance for applications that require flux for silver solder and for high-quality brazed joints.
Applications of Flux for Welding Stainless Steel
STAVINOX fluxes for welding stainless steel widely used in:
- Silver brazing of stainless steel and copper alloys
- Copper and brass brazing applications
- Induction brazing operations
- Brazing of carbide tools
- Fabrication of mechanical and electrical components
- Repair and maintenance of industrial equipment
Certain formulations may also be selected for brazing flux requirements where compatible brazing processes are used.
Related Products
To complete brazing and joining operations, the following Stanvac International products are commonly used alongside brazing paste and flux solutions:
- Copper and brass brazing alloys
- Copper phosphorus brazing alloys
- High Ag brazing alloys, cadmium-free grades
- High Ag cadmium-bearing grades
- Tungsten carbide tools tipped grades
These related products help create a complete brazing system for industrial and fabrication applications.
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