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DIFF DUR A

DIFF DUR A

Pre-alloyed tubular rod filled with coarse tungsten carbide for extreme wear protection hardfacing. (Gas brazing rod)

PRODUCT DESCRIPTION:

• Special pre-alloyed tube with coarsely grained tungsten carbide (FTC).
• FTC hardness exceeds 2360 HV for exceptional wear resistance.
• Designed for unalloyed, low alloyed, or cast steels up to 0.45% C.

 

 

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Applications

STANDARD:

DIN 8555: G21-GF-55-CG)

ALLOYING ELEMENTS:

FTC-60% & Fe-Matrix-40%

HARDNESS:

FTC: 2300 – 2500 HV 0.1

ELECTRODE DIAMETERS AVAILABLE:

3.5 mm, 4.0 mm, 5.0 mm

STANDARD PACKING SIZE:

5 Kg

LENGTH

350 mm / 750 mm

Product Specification

• Extreme abrasion and impact resistance.
• Long service life for hardfaced components.
• Suitable for repair or new part protection.

• Coarsely grained tungsten carbide (FTC) embedded in pre-alloyed steel tube matrix.
• Hardness: >2360 HV.

• Clean area of rust, scale, grease, or contamination.
• Use brazing torch with neutral to slightly carburizing flame.
• Hold nozzle at shallow angle; avoid direct contact with flame center.
• Slightly wet work area to prevent overheating.
• Preheat base metal between 350–500 °C depending on size and composition.

• Mining tools and wear parts.
• Road construction equipment.
• Ceramic and petroleum industry tools.
• Excavation and dredging components.

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