QuNi76 Bobbin – Laser Welding Wire Hastelloy C276 / 2.4819 (Alloy C-276 / UNS N10276)
€311.78
QuNi76 Bobbin – Laser Welding Wire Hastelloy C276 / 2.4819 (Alloy C-276 / UNS N10276)
QuNi76 is a highly corrosion-resistant laser welding wire of the nickel-base alloy Hastelloy C276 (base material 2.4819 / NiMo16Cr15W, Alloy C-276, UNS N10276). As a filler metal it corresponds to 2.4886 (DIN EN ISO 18274 S Ni 6276, AWS A5.14 ERNiCrMo-4). Its high molybdenum content of 16 % makes it resistant to a wide range of corrosion in oxidising and reducing media alike — particularly against acids.
Recommended base materials
- 2.4819 — Hastelloy C276 / NiMo16Cr15W / Alloy C-276 / UNS N10276 (primary material)
- Ni-Mo-Cr-W alloys (similar and related)
- Joints with unalloyed, low-alloy and high-alloy steel as well as cast steel
Typical applications
- Chemical process industry — acids, oxidising and reducing media
- Dissimilar nickel-steel joints — joining welds with unalloyed, low-alloy and high-alloy steel/cast steel
- Buffer layers ahead of dissimilar build-up welds
- Plant, apparatus and vessel construction
- Environmental engineering and flue-gas cleaning
Properties and advantages
- Resistant in oxidising and reducing media alike
- Good resistance to acids (16 % molybdenum content)
- High resistance to pitting, crevice and stress corrosion cracking
- Proven for dissimilar joints between nickel alloy and steel
- Mechanical properties (pure weld metal, 20 °C): Re 470 MPa | Rm 780 MPa | A 35 %
Bobbin form: K125, K80, MA125, SH253 — wire weight 100 g–500 g, Ø 0,4 mm – 0,6 mm.
Material analysis (wt.-%)
Ni balance | Mo 16.0 | Cr 15.5 | Fe 6.0 | W 3.5 | Mn 0.90 | V 0.30 | Si 0.07 | P 0.020 | S 0.015 | C 0.010
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| Bobbin size: | K80, K125, MA125, SH253 |
|---|---|
| Bobbin weight: | 100 g, 200 g, 500 g |
| Diameter: | 0,4 mm, 0,5 mm, 0,6 mm |
| Recommendations for basis material: | 2.4819 NiMo16Cr15W, Ni-Mo-Cr-W alloy, connection with non-, low- and high-alloyed steel/cast iron |
| Wire: | Laser welding wire |
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