QuNi40 TIG Welding Wire – Nickel NiTi3 / ERNi-1 (2.4155), also Nickel-Steel & Grey Iron
QuNi40 TIG Welding Wire – Nickel NiTi3 / ERNi-1 (2.4155), also Nickel-Steel & Grey Iron
QuNi40 is the titanium-alloyed nickel wire: EN ISO 18274 S Ni 2061 (NiTi3) · AWS A5.14 ERNi-1 · filler material no. 2.4155.
The 3.3 % titanium is what sets it apart from the pure QuNi29. Titanium binds nitrogen and thus suppresses porosity — precisely what is needed for nickel-to-steel dissimilar joints and for repairs on grey cast iron (GG-GJL), where gases migrate from the base material into the weld pool. For matching pure-nickel joints without such influence, QuNi29 is the simpler alternative.
Recommended base materials
- 2.4060, 2.4061, 2.4066, 2.4068
- Commercial pure nickel grades, LC nickel
- Nickel-clad steels
- Nickel-to-steel dissimilar joints
- Cast iron (GG-GJL) — repairs possible to a limited extent
Typical applications
- Pressure vessel and plant construction, chemical industry
- Nickel-to-steel dissimilar joints
- Grey iron repairs (GJL)
- Food industry, energy sector
Properties and advantages
- Ti 3.3 % — binds nitrogen, suppresses porosity
- Suitable for nickel-to-steel dissimilar joints
- Grey iron repairs possible to a limited extent
- Weld metal: Re 300 MPa · Rm 450 MPa · A 25 %
TIG advantage: For larger seams and build-ups on nickel and cast components. Ø 1.0 mm.
TIG form: for manual repair welding.
Material analysis (wt.-%)
C 0.02 | Si 0.3 | Mn 0.3 | Fe 0.1 | Ti 3.3 | Ni balance
Download
| Diameter: | 1,0 mm, 1,2 mm, 1,6 mm, 2,0 mm, 2,4 mm, 3,2 mm |
|---|---|
| Recommendations for basis material: | 2.4060, 2.4061, 2.4066, 2.4068, Cast iron (GG-GJL), Nickel-steel mixed compounds |
| Refinish: | material typical treatment |
| Rod length: | 1000 mm |
| Wire: | WIG wire |
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