QuFe20 TIG Welding Wire – Hardfacing 53–58 HRC, Copper-Coated

QuFe20 is a high wear-resistance hardfacing wire to DIN EN 14700 S Fe 6 for tools exposed to heavy abrasion and pressure under moderate impact loads and elevated service temperatures — typically slide faces, guideways and sealing edges. Achievable hardness: 53–58 HRC. Particularly good abrasion behaviour with glass-fibre-reinforced plastics.

Copper-coated. QuFe20 is the copper-coated version. The coating protects the wire against rust, which helps during longer storage and in humid workshop conditions. Material, hardness and application are identical to the uncoated version QuFe21; if no copper coating is wanted, that is the one to choose.

Recommended base materials

• 1.2082, 1.2083 — plastic mould steels
• 1.2311, 1.2312 — quenched and tempered mould steels
• 1.2343, 1.2344, 1.2367 — hot-work tool steels
• 1.2606, 1.2764, 1.2765, 1.2842 — other tool steels

Note: For multi-layer build-up, apply a buffer layer using QuFe65 or QuNi26.

Typical applications

• Slide faces and sliding areas on tools
• Guideways in tool and mould making
• Sealing edges and parting lines
• Wear protection on moulds for glass-fibre-reinforced plastics
• Build-up welding on parts under abrasion, pressure and elevated temperature

Properties and advantages

• Achievable hardness 53–58 HRC — depending on machining and weld layer
• High wear resistance against abrasion combined with pressure
• Designed for elevated service temperatures
• Good abrasion behaviour with glass-fibre-reinforced plastics
• Post-processing: excellent polishability, hardenable, nitridable, chrome-platable, CVD-coatable, machinable

TIG advantage: For large-area wear build-up away from the laser — Ø 1.0–3.2 mm, considerably higher deposition per layer.

TIG form: for manual repair welding.

Material analysis (wt.-%)
C 0.35 | Si 0.3 | Mn 1.2 | Cr 7.0 | Mo 2.2 | Ti 0.3 | Fe balance