Qu4541 Bobbin – Stainless Steel Laser Welding Wire 1.4541 (X6CrNiTi18-10 / AISI 321)
€334.39
Qu4541 Bobbin – Stainless Steel Laser Welding Wire 1.4541 (X6CrNiTi18-10 / AISI 321)
Qu4541 is a titanium-stabilized stainless steel laser welding wire for heat-resistant apparatus and plant construction. The material 1.4541 (X6CrNiTi18-10 / AISI 321) combines the corrosion resistance of the CrNi austenites with reliable protection against intergranular corrosion through titanium stabilization — even in the sensitization range after welding, without solution annealing.
Recommended base materials
- 1.4541 — X6CrNiTi18-10 / AISI 321 (primary material)
- 1.4550, 1.4551 — X6CrNiNb18-10 / AISI 347 (Nb-stabilized, closely related)
- 1.4301, 1.4306 — austenitic CrNi standard grades
Typical applications
- Apparatus, vessel and plant construction (chemical, petrochemical)
- Heating, furnace and heat exchanger construction
- Exhaust systems and high-temperature components
- Components under thermal cyclic load
- Repair welding on similar stainless steels
Advantages of 1.4541
- Titanium stabilization prevents intergranular corrosion at weld seams
- Continuous service temperature up to approx. 800 °C
- Weldable without subsequent solution annealing
- Highly cold-formable, excellent work-hardening behavior
Bobbin form: K125, K80, MA125, SH253 — wire weight 100 g–500 g, Ø 0,3 mm – 0,5 mm.
Material analysis (wt.-%)
C ≤ 0.08 | Si ≤ 1.0 | Mn ≤ 2.0 | Cr 17.0–19.0 | Ni 9.0–12.0 | Ti 5×C up to 0.7 | Fe balance
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| Bobbin size: | K80, K125, MA125, SH253 |
|---|---|
| Bobbin weight: | 100 g, 200 g, 500 g |
| Diameter: | 0,3 mm, 0,4 mm, 0,5 mm |
| Recommendations for basis material: | 1.4541 |
| Refinish: | material typical treatment |
| Wire: | Laser welding wire |
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