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DIFF DUR NISE (AC/DC+)

Tubular electrode with fused tungsten carbide and Ni-Cr-B-Si matrix for extreme abrasion and corrosion resistance.

PRODUCT DESCRIPTION:

• Tubular electrode filled with fused tungsten carbide (FTC) and special Ni-Cr-B-Si alloy.
• Designed for applications facing both severe abrasion and corrosive environments.
• Suitable for overlay on steel castings, nickel-based alloys, and stainless steels.
• Deposit composition: approx. 60% FTC and 35–40% Ni-Cr-B-Si matrix.

Applications

STANDARD:

DIN 8555: E21-GF-UM-60-CGZ)

ALLOYING ELEMENTS:

FTC-60% & NI-MATRIX-40%

HARDNESS:

FTC APPROX. 2360 HV0.1
NI-MATRIX APPROX. 480 –
520 HV0.1

PACKAGE SIZES:

5 & 10 Kg of Spool

COMPOSITION:

FTC with Fe matrix

 

DIA(Ø)404 4.0 5.0
LENGTH 350 mm 350 mm
AMPERAGE 80-90 90-100

Product Specification

• Exceptional wear resistance combined with corrosion protection.
• High resistance to acids and aggressive chemical media.
• Produces smooth, clean weld overlays with excellent flow characteristics.

• 60% fused tungsten carbide (FTC).
• 35–40% Ni-Cr-B-Si matrix.

• Maintain melting range between 950–1100 °C.
• Apply using AC or DC+ with correct settings for smooth flow.
• Ensure surface cleanliness before welding.
• Avoid overheating for optimal bonding.

• Ferritic and austenitic steel components.
• Stabilizer blades, conveyor screws, milling plates.
• Deep drilling tools, mixer blades, and similar high-wear parts.