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UTP A 696 / HSS

UTP A 696

Special Tool Steel TIG filler rod.


UTP A 696 is used for the production and repair of tools made of Mo-alloyed high-speed steels, such as knives and planing tools, formcutters, broaching tools, reamers, twist drills etc.

Another application field is the production of wear resistant coatings on un- or low-alloyed base materials

The weld deposit of UTP A 696 is equivalent to a High-Speed Steel with high cutting performance. After cooling the weld deposit is only machinable by grinding. Machining with tungsten carbide tools is only possible after soft annealing.

Hardness of the pure weld metal untreated: 60 – 64 HRC

Soft-annealed 800°C: approx. 250 HB

Hardened 1230°C (oil) + tempered 540°C (2X): 62 – 66 HRC

  • Spec: DIN 8555 WSG 4-GZ-60-S
  • Rod Diameter: 1.6mm


UTP A 387 – CuNi

UTP A 387

Copper based alloy for TIG welding copper-nickel alloys, copper-aluminum alloys and cast iron.

UTP A 387 is used for copper nickel alloys with up to 30 % nickel according to DIN 17664, such as CuNi20Fe (2.0878), CuNi30Fe (2.0882). Chemical industry, seawater desalination plants, ship building, offshore technique. The weld metal of UTP A 387 is resistant to seawater and cavitation.

  • Spec: AWS: A5.7 ER CuNi
  • Rod Diameter: 1.6mm, 2.4mm

UTP A 651 – ER312

UTP A 651

High strength filler rod for dissimilar metals.

Suitable for joining and surfacing of steels of difficult weldability, repair of hot and cold working steels, cushioning layers and dissimilar metals. The weld metal of UTP A 651 is scale resistant up to 1150° C. Crack and wear resistant, stainless and work hardening. Hardness of the pure weld metal: approx. 240 HB

  • Spec: AWS: A5.9 ER312 (mod.)
  • Rod Diameter: 1.2mm, 1.6mm, 2.4mm