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DIFF DUR B

DIFF DUR B

Nickel-cored flexible rod with cast tungsten carbide for corrosion and wearresistant overlays.

PRODUCT DESCRIPTION:

• Nickel-cored flexible rod coated with cast tungsten carbide and Ni-Cr-B-Si.
• Contains ~65% fused tungsten carbide (FTC) and ~35% Ni-Cr-B-Si matrix.
• Deposit hardness approx. 45 HRC.
• Low melting point (950–1050 °C) with excellent flow and wetting properties.

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Applications

STANDARD:

DIN 8555: G21-UM-55-CG)

ALLOYING ELEMENTS:

FTC-60% & Ni-Matrix-40%

HARDNESS:

FTC Approx. 2360 HV0.1
Ni-Cr-B-Si-Matrix Approx.
420 – 450 HV0.1

PACKAGE SIZES:

5 & 10 Kg of Spool

COMPOSITION:

FTC with Fe matrix

Product Specification

• High resistance to acids, bases, lye, and corrosive media.
• Excellent wear protection under severe service conditions.
• Produces smooth, clean weld overlays.

• 65% fused tungsten carbide (FTC).
• 35% Ni-Cr-B-Si matrix.

• Clean surface by grinding or grit blasting.
• Use neutral to slightly carburizing flame.
• Sweat deposits on base metal with minimal penetration.
• Avoid overheating and puddling.

• Wear coating on ferritic and austenitic steels.
• Mixer blades, screws, conveyors in chemical, dye, and food industries.
• Stabilizer blades in petroleum industry.

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