QuNi77 Rod – Laser Welding Wire Nickel-Copper / ERNiCu-7 (2.4377) – for Monel 400
€267.75
QuNi77 Rod – Laser Welding Wire Nickel-Copper / ERNiCu-7 (2.4377) – for Monel 400
QuNi77 is the nickel-copper alloy: EN ISO 18274 S Ni 4060 (NiCu30Mn3Ti) · AWS ERNiCu-7 · DIN 1736 SG-NiCu 30 MnTi · filler no. 2.4377. Cu 30 % · Ni base.
It is the wire for Monel 400 (2.4360) and NiCu30Al (2.4375) — both for joining and for matching cladding. Its second strength is steel-to-copper joints: steel with copper and copper-nickel alloys. The titanium (2 %) binds nitrogen and keeps the weld free of porosity. Usable up to 425 °C.
Recommended base materials
- Monel 400 / 2.4360 (NiCu30Fe)
- NiCu30Al / 2.4375
- Joints between steel and copper-nickel / copper alloys
Typical applications
- Repairs and joints on Monel components
- Matching cladding on steel
- Steel-to-copper joints
- Sea-water and chemical service up to 425 °C
Properties and advantages
- Cu 30 % / Ni base — matching Monel 400
- Ti 2 % binds nitrogen → suppresses porosity
- Also for steel-to-copper joints
- Re 175 MPa · Rm 450 MPa · A 30 %. Up to 425 °C
Rod form: Rod lengths 1000 mm and 333 mm, Ø 0,3 mm – 0,8 mm.
Material analysis (wt.-%)
C 0.02 | Si 0.20 | Mn 3.30 | Fe 1.00 | Ti 2.00 | Cu 30.00 | Ni base
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| Diameter: | 0,3 mm, 0,4 mm, 0,5 mm, 0,6 mm, 0,8 mm |
|---|---|
| Recommendations for basis material: | 2.4360, Monel400, NiCu30AL (2.4375) |
| Rod length: | 333 mm, 1000 mm |
| Wire: | Laser welding wire |
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