TeroCote 7888 T Welding Electrodes

The TeroCote 7888 T Welding Electrodes by Metals And Welding Specialities are engineered for superior performance in hardfacing applications requiring exceptional resistance to abrasion, impact, and metal-to-metal wear. Developed using advanced metallurgical technology, these electrodes deliver high deposition efficiency and produce a dense, crack-resistant weld metal that maintains strength even under severe service conditions. Designed to extend the life of critical components, TeroCote 7888 T ensures maximum durability and consistent performance across a variety of industrial environments.

When you specify TeroCote 7888 T, you benefit from a high-alloy coated electrode whose weld deposit exhibits outstanding wear and heat resistance. In applications involving thermal cycling, abrasion, erosion or heavy surface stress, the high nickel-chromium-moly base alloy resists scale formation, preserves hardness and maintains structural integrity. The coating ensures a stable arc, minimal spatter, and easy slag removal—even under rigorous operational conditions—thus aiding productivity in maintenance welding, repair coatings or overlaying of tool steel components. The technical characteristics documented for the UTP 7008 lineage show a typical hardness of about 260 HB in as-deposited condition, with work-hardening to around 500 HB under severe abrasion conditions.

Manufactured to comply with ASTM A532 Grade IIIA and designated under UNS J91100, the TeroCote 7888 T electrode is a universal standard for applications where hardness and toughness must coexist. The weld deposit forms a martensitic matrix structure containing complex carbides, giving outstanding resistance to both low-stress and high-stress abrasive wear. This metallurgical balance allows it to outperform conventional hardfacing electrodes, providing exceptional wear protection for surfaces exposed to sliding or gouging abrasion.

In demanding industries such as mining, cement, power generation, and steel manufacturing, TeroCote 7888 T Welding Electrodes are the preferred choice for rebuilding and protecting equipment components such as crusher hammers, excavator buckets, conveyor screws, mixer blades, and chute liners. The electrode’s smooth and stable arc characteristics make it easy to weld in all positions, while its slag is self-releasing, ensuring reduced post-weld cleanup. The resulting weld surface exhibits a uniform bead appearance and a hardness typically ranging between 55 and 60 HRC, depending on cooling conditions and dilution rate.

Thanks to its optimized formulation, the TeroCote 7888 T electrode provides excellent metallurgical bonding with minimal spatter and distortion. The alloy system is designed to maintain wear resistance even at elevated temperatures, ensuring that components remain operational for longer periods without frequent maintenance or costly downtime. It can be applied on carbon steels, low-alloy steels, and manganese steels, making it a versatile solution for extending the service life of critical parts subjected to heavy wear and friction.

Each batch of TeroCote 7888 T Welding Electrodes is manufactured under stringent quality control standards to guarantee consistency, reliability, and performance in every weld. Metals And Welding Specialities ensures that every electrode meets the highest industry specifications, offering customers a product that embodies strength, innovation, and precision engineering. Whether for maintenance welding or new fabrication, TeroCote 7888 T represents the trusted benchmark in the field of hardfacing consumables.

• Specification TeroCote 7888 T Welding Electrodes

  Product Name	TeroCote 7888 T Welding Electrodes
  Brand	Metals And Welding Specialities
  Type	Coated Electrode
  Chemical Composition (Typical)	Fe Balance, C 0.45%, Mn 1.2%, Si 0.8%, Cr 6.0%, Mo 0.5%
  Coating Type	Thick Rutile-Type Coating
  Welding Current	AC / DC (+)
  Operating Range	2.5 mm: 70–100 A 3.15 mm: 90–130 A 4.0 mm: 120–170 A 5.0 mm: 160–220 A
  Hardness (as welded)	~ 55 – 58 HRC
  Deposit Characteristics	Dense, crack-resistant, wear-resistant martensitic deposit with excellent bonding and machinability after heat treatment.
  Applications	Suitable for rebuilding and hardfacing of earthmoving equipment, crusher parts, agricultural tools, dredger teeth, and other components subject to severe abrasion and impact.
  Base Materials	Carbon steels, low alloy steels, and manganese steels.
  Typical Weld Metal Recovery	~ 115%
  Packaging	Available in 5 kg and 20 kg cartons.
  Storage Instructions	Store in a dry, ventilated area. Re-dry at 300°C for 1 hour before use if moisture is absorbed.

• TeroCote 7888 T Welding Electrodes Parameters

  Parameter	Value
  Product	TeroCote® 7888T
  Form	Flexible coated cord / continuous coil (carbide-bearing cord)
  Core wire material	Nickel
  Matrix / binder	Nickel-based alloy binder (fluxing alloy powder + binder)
  Carbide type	Angular tungsten carbides
  Carbide content (approx.)	~80% by weight (carbide loading)
  Matrix hardness (typical)	~370 HV (≈ Rc 35)
  Carbide micro-hardness	~2,300–3,000 HV (typical values reported)
  Carbide granulometry / size	0.2–0.7 mm (typical) / some datasheets list 0.5–1.0 mm
  Available cord/diameters	5.0 mm, 6.0 mm, 8.0 mm (common sizes)
  Core wire diameter (example)	~1.2 mm (depending on product / size)
  Maximum service temperature	≈ 700–704 °C
  Typical deposition process	Oxy-acetylene flame (primary). Related open-arc / wire variants exist for some 7888-series products.
  Typical applications	Abrasion/erosion wear protection: ripper teeth, augers, screws, impellers, mixer blades, pump parts, crusher components
  Storage recommendation	Cool, dry storage; avoid temperatures above ~38°C (100°F) where specified

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