QuFe47 Rod – Laser Welding Wire Ductile Iron GJS (Spheroidal Graphite) – 54–57 HRC, No Buffer Layer
€224.91
QuFe47 Rod – Laser Welding Wire Ductile Iron GJS (Spheroidal Graphite) – 54–57 HRC, No Buffer Layer
QuFe47 is a special material without a material number, developed for repairs and build-ups on ductile iron (spheroidal graphite iron, GJS). The weld metal reaches 54–57 HRC, about 55 HRC in the second layer.
Two properties make it special for cast iron: it is crack-safe even in multi-layer welding, and it works without a buffer layer — otherwise almost always required on cast iron, because the high carbon content hardens the fusion zone and makes it crack. Added to this is resistance to impact load, also at edges and corners, exactly where cast parts break out in service. For grey iron (GJL) and softer matching repairs, QuNi41 (NiFe) is the alternative.
Recommended base materials
- Ductile iron (spheroidal graphite iron, GJS / GGG)
- Cast components subject to wear and impact
Typical applications
- Repairs and build-ups on ductile iron
- Cast components with impact load on edges and corners
- Multi-layer build-ups on cast iron — without a buffer layer
- Wear protection on cast parts
Properties and advantages
- 54–57 HRC, approx. 55 HRC in the second layer
- Workable without a buffer layer — saves an entire step
- Crack-safe even in multi-layer welding
- Resistant to impact load at edges and corners
Rod form advantage: Constant wire feed when rebuilding broken-out cast edges.
Rod form: Rod lengths 1000 mm and 333 mm, Ø 0,3 mm – 0,8 mm.
Material analysis (wt.-%)
C 0.3 | Si 0.8 | Mn 3.4 | Ni 1.9 | Fe balance
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| Achievable hardness: | 54 - 57 HRC |
|---|---|
| Diameter: | 0,3 mm, 0,4 mm, 0,5 mm, 0,6 mm, 0,8 mm |
| Recommendations for basis material: | Cast iron with nodular graphite (scout cast iron) |
| Rod length: | 333 mm, 1000 mm |
| Wire: | Laser welding wire |
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