QuCu81 WIG Filler Wire Aluminium Bronze CuAl8Ni2 / 2.0922 – Ductile, 140 HB
QuCu81 WIG Filler Wire Aluminium Bronze CuAl8Ni2 / 2.0922 – Ductile, 140 HB
QuCu81 is the ductile one of the three aluminium bronzes: EN ISO 24373 S Cu 6327 (CuAl8Ni2Fe2Mn2) · material no. 2.0922. At 140 HB it is the softest — in return it offers 30 % elongation, three times that of QuCu80.
That toughness is the reason to choose it: in dissimilar joints between CuAl bronze and steel, and in joints between differing materials generally, the seam is under permanent stress because both sides expand differently. Ductile weld metal absorbs that; strong weld metal cracks. Equally suited to cladding on steel and cast iron. Sea-water and cavitation resistant, good sliding properties.
Recommended base materials
- Cu-Al multi-component bronzes
- Dissimilar joints CuAl bronze to steel
- Cladding on cast iron and steel
- Build-ups on tool steel and cast alloys
Typical applications
- Bronze-to-steel dissimilar joints
- Cladding welds on steel and cast iron
- Joint welds on CuAl bronzes
- Sliding surfaces, sea water and cavitation load
Properties and advantages
- A 30 % elongation — the most ductile weld metal of the range
- 140 HB, Re 270 MPa · Rm 530 MPa
- Sea-water and cavitation resistant
- Good sliding properties
TIG advantage: For applying material over large areas and building up thicker sections.
TIG welding wire packaging: 1,000 mm rods, 1 kg cardboard tubes, 5 kg cartons, Ø 1.0–3.2 mm.
Material analysis (wt.-%)
Al 8.70 | Mn 1.80 | Fe 1.30 | Ni 2.30 | Cu balance
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| Diameter: | 1,0 mm, 1,2 mm, 1,6 mm, 2,0 mm, 2,4 mm, 3,2 mm |
|---|---|
| Recommendations for basis material: | Cu-Al complex aluminum bronzes, joining different materials, surfacing of steel and cast iron |
| Refinish: | material typical treatment |
| Rod length: | 1000 mm |
| Wire: | WIG wire |
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