QuCu87 Bobbin – Laser Welding Wire Copper-Nickel CuNi30 / 2.0837 (ERCuNi) – Offshore, Sea Water
€173.74
QuCu87 Bobbin – Laser Welding Wire Copper-Nickel CuNi30 / 2.0837 (ERCuNi) – Offshore, Sea Water
QuCu87 is the copper-nickel wire: EN ISO 24373 S/G Cu 7158 (CuNi30) · AWS A5.7 ERCuNi · material no. 2.0837. With 30 % nickel it matches CuNi30Fe (2.0882) and CuNi20Fe (2.0878).
CuNi alloys are the standard material for sea-water piping — in offshore engineering, shipbuilding and desalination plants. The wire is sea-water resistant and highly corrosion resistant, designed for heavily loaded joint welds, not just build-ups.
Recommended base materials
- CuNi30Fe (2.0882)
- CuNi20Fe (2.0878)
- Copper-nickel alloys with up to 30 % nickel
Typical applications
- Offshore engineering
- Desalination plants
- Shipbuilding — sea-water piping
- Chemical plant construction
Properties and advantages
- Sea-water and highly corrosion resistant
- For heavily loaded joint welds
- 115 HB, Rp0.2 210 MPa · Rm 380 MPa · A 30 %
- Titanium-stabilised (Ti 0.50 %) — suppresses porosity
Bobbin form: K125, K80, MA125, SH253 — wire weight 100 g–500 g, Ø 0,2 mm – 0,8 mm.
Material analysis (wt.-%)
Ni 30.0 | Mn 1.00 | Fe 0.55 | Ti 0.50 | Cu balance
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| Bobbin size: | K80, K125, MA125, SH253 |
|---|---|
| Bobbin weight: | 100 g, 200 g, 500 g |
| Diameter: | 0,2 mm, 0,3 mm, 0,4 mm, 0,5 mm, 0,6 mm, 0,8 mm |
| Recommendations for basis material: | Copper-Nickel alloys with up to 30% Nickel, eg. CuNi30Fe (2.0882), CuNi20Fe (2.0878) |
| Refinish: | material typical treatment |
| Wire: | Laser welding wire |
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