Qu4462 TIG Filler Wire - Duplex - 1.4462 / 2205 (X2CrNiMoN22-5-3)
Qu4462 TIG Filler Wire - Duplex - 1.4462 / 2205 (X2CrNiMoN22-5-3)
Qu4462 is a duplex laser welding wire to EN ISO 14343-A G/W 22 9 3 N L (material no. 1.4462, X2CrNiMoN22-5-3, known as duplex 2205). Its ferritic-austenitic two-phase microstructure combines the high strength of the ferrite with the toughness and corrosion resistance of the austenite — outperforming classic CrNi steels wherever chlorides are involved.
Recommended base materials
- 1.4462 — X2CrNiMoN22-5-3 / duplex 2205 (primary material)
- 1.4347 — duplex cast steel
- 1.4417 — X2CrNiMoSi19-5-3
- 1.4460 — X3CrNiMoN27-5-2
- 1.4582 — duplex filler family
Typical applications
- Chemical and petrochemical plants with chloride- and sulphur-bearing media
- Offshore and marine engineering
- Desulphurization plants, heat exchangers, piping
- Joint welding on duplex steels and duplex cast steel
- Repair welding on pressurized components
Advantages of 1.4462 / duplex 2205
- High resistance to pitting and stress corrosion cracking in chloride- and sulphur-bearing media
- Resistant to intergranular corrosion — wet corrosion up to 250 °C
- Roughly twice the yield strength of standard austenites: Re 480 MPa · Rm 680 MPa · A 25 %
- Two-phase microstructure: strength of ferrite plus toughness of austenite
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.-%)
C 0.03 | Si 1.00 | Mn 2.00 | P 0.035 | S 0.015 | Cr 22.00 | Mo 3.00 | Ni 9.00 | Fe 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: | 1.4347, 1.4417, 1.4460, 1.4462, 1.4582 |
| Rod length: | 1000 mm |
| Wire: | WIG wire |
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