QuAlMgZr Bobbin – Laser Welding Wire Aluminium AlMg4.5MnZr / ER5087 (3.3546)
€164.22
QuAlMgZr Bobbin – Laser Welding Wire Aluminium AlMg4.5MnZr / ER5087 (3.3546)
QuAlMgZr is the zirconium-alloyed aluminium filler metal to EN ISO 18273 S Al 5087 (AlMg4.5MnZr) · AWS SFA-5.10 ER5087 · material no. 3.3546. Chemically it is very close to AlMg4.5Mn — with one decisive addition: 0.15 % zirconium.
The zirconium suppresses the tendency to hot cracking. It acts as a grain refiner, the microstructure solidifies more finely, and the seam does not tear where an ordinary AlMg wire reaches its limit: on thick-walled components, under high restraint, and in multi-layer welds. Added to this is good resistance to sea water and weathering.
Recommended base materials
- AlMg4.5Mn, AlMg2.7Mn, AlMg3, AlMg5
- AlMgSi alloys: AlMgSi0.7, AlMgSi1, AlMgSiCu
- AlZn4.5Mg1
- Casting alloys: G-AlMg3, G-AlMg5
Typical applications
- Components under high restraint where AlMg4.5Mn hot-cracks
- Multi-layer welds on thick-walled aluminium
- Structures exposed to sea water and weathering
- Shipbuilding, offshore, vehicle construction
Properties and advantages
- Zirconium suppresses hot cracks — the actual reason for this wire
- Same strength as AlMg4.5Mn: Re 130 MPa · Rm 280 MPa · A 18 %
- Resistant to sea water and weathering
- Shielding gas argon; post-processing material-typical
Bobbin form: K125, K250, K80, MA125, SH253 — wire weight 100 g–500 g, Ø 0,3 mm – 0,8 mm.
Material analysis (wt.-%)
Si 0.25 | Fe 0.40 | Cu 0.05 | Mg 4.80 | Mn 0.90 | Cr 0.15 | Zr 0.15 | Ti 0.15 | Zn 0.25 | Al balance
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| Bobbin size: | K80, K125, K250, MA125, SH253 |
|---|---|
| Bobbin weight: | 100 g, 200 g, 500 g |
| Diameter: | 0,3 mm, 0,4 mm, 0,5 mm, 0,6 mm, 0,8 mm |
| Recommendations for basis material: | AlMg1SiCu, AlMg2,7Mn, AlMg3, AlMg4,5Mn, AlMg5, AlMgSi0,7, AlMgSi1, AlMgSiCu, AlZn4,5Mg1, G-AlMg3, G-AlMg5 |
| Refinish: | material typical treatment |
| Wire: | Laser welding wire |
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