DIFF DUR A
Pre-alloyed tubular rod filled with coarse tungsten carbide for extreme wear protection hardfacing.
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.
Applications
STANDARD:
DIN 8555: G21-GF-55-CG)
ALLOYING ELEMENTS:
FTC-60% & Fe-Matrix-40%
HARDNESS:
FTC Hardness : 2300 – 2500
HV 0.1
ELECTRODE DIAMETERS AVAILABLE:
ø 3.5mm & amp; ø 4.0mm
STANDARD PACKING SIZE:
5 & 10 Kg of Spool
COMPOSITION:
FTC with Fe matrix
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.

