Description
Sifmig 8 MIG Brazing Wire – 1.2 mm x 4 Kg
The Sifmig 8 is a phosphor bronze MIG brazing wire that contains 7% tin. It is specifically designed for fusion welding of phosphor bronze castings, copper alloys, and brass.
Key Features:
- Phosphor Bronze with Tin: Contains 7% tin, enhancing its welding properties.
- Versatile Applications: Suitable for MIG brazing on ferrous, stainless, and dissimilar metals. Also used for applying a bearing surface.
- Specialized Uses: Ideal for crack repair in castings and providing a wear-resistant layer on surfaces prone to abrasion.
Lead Consideration: For parent metals with trace lead (e.g., LG2), it’s recommended to apply the wire in stages, grinding between passes to eliminate lead from the joint and minimize porosity.
Specification
| Sub Category | Mig Wire – Brazing |
| Part Number | WO081240 |
| Weight | 4 KG |
| Diameter | 1.2mm |
| Melting Point DegC | 900-1050 |
| U.T.S. N/mm2 | 260 |
| Current | DC = + |
| Shielding Gas | Pure Argon, or 95/5 (5%CO2) ArCO2 |
Welding Positions
Weldable in all positions and particularly useful in hard-to-reach areas. Ensure surfaces of parent metal are cleaned thoroughly before welding.
Typical Weld Metal Composition
| Sn | 7% |
| Cu | Bal |
Typical Mechanical Properties
| Melting Point | 900-1050°C |
| Ultimate Tensile Strength | 260 N/mm² |
| Hardness | 80 |
BS: 2901 C11. Â EN ISO 24373: Cu5180A [CuSn6P]
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