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TN267 - Phos-Copper Brazing Alloy BCuP-2 Rods

Packaging: 3pc per pak
$8.48/ea

Package Price:

$25.44/3pc per pak

Usually ships within 3-5 business days

OVERVIEW

Get the Job Done: Phos-Copper Brazing Rods

When you are up on a ladder fixing an AC unit or sweating copper pipe in a tight crawlspace, you need a brazing rod that flows fast and seals tight. The Techniweld TN267 Phosphorous Copper Rods are the workhorse of the HVAC and plumbing trade. Often referred to as "Phos-Copper" or simply "hard solder," these rods are designed for one main purpose: joining copper to copper without the hassle of a separate flux pot. The phosphorous in the rod does the cleaning for you, lifting oxides and allowing the filler metal to flow smoothly into the joint.

These rods are the smart, budget-friendly alternative to expensive silver solder. If you are working on standard copper line sets, water pipes, or refrigeration tubing, there is often no need to pay the premium for 15% silver rods. The TN267 (equivalent to BCuP-2) gives you a strong, leak-free bond that stands up to the pressures and temperatures of typical residential and commercial systems. They melt cleanly and flow quickly, which helps prevent overheating the pipe or damaging sensitive valves nearby. Just heat the copper until it's cherry red, touch the rod to the joint, and watch it cap.

Key Application Tips:

  • No Flux Needed: Only when brazing copper to copper. If you are brazing to a brass valve or bronze fitting, grab your jar of white paste flux.
  • Not for Steel: Never use these on steel or iron pipes. They will turn brittle and snap.
  • Clean Joints: Even though they are self-fluxing, always sand and deburr your copper pipe for the best results.

Whether you are stocking up your service truck or outfitting a shop, the TN267 rods offer the reliability you expect from professional-grade consumables. They are tough, consistent, and ready to handle the daily grind of pipe fitting and repair work.

Additional Information
Material:Phosphorous Copper
Silver Content (%):0%
Form:Rod
Alloy Type:BCuP-2
Flux Requirement:Self-fluxing on Copper
Solidus Temperature:1310°F (710°C)
Liquidus Temperature:1460°F (793°C)
Applications:HVAC, Plumbing, Refrigeration
Packaging Description:3pc per pak
Diameter (mm):1.6mm (1/16")

INCLUDED

  • Phosphorous Copper Brazing Rods
  • Protective Storage Tube/Packaging

APPLICATIONS

  • HVAC refrigerant line sets
  • Potable water plumbing systems
  • Copper-to-copper pipe joining
  • Electrical conductor termination
  • Refrigeration compressor connections

FAQ

No, you do not need flux when brazing copper to copper. The phosphorous in the rod acts as a fluxing agent. However, if you are brazing copper to brass or bronze, you must use a suitable brazing flux.

No. Phosphorous copper alloys react with iron and nickel to form brittle phosphides, which will cause the joint to crack and fail. Use these only on copper and copper alloys.

The TN267 is a standard Phos-Copper alloy (likely BCuP-2) which typically contains 0% silver. It relies on copper and phosphorous for its properties.

The solidus temperature is approximately 1310°F (710°C) and the liquidus temperature is around 1460°F (793°C).

Technically, this is brazing because the melting point is above 840°F (450°C). However, in the trade, it is sometimes colloquially referred to as 'silver solder' or 'hard solder'.

Yes, phosphorous copper brazing alloys are generally safe for potable water systems, but always check local plumbing codes to ensure compliance.

This alloy is less ductile than 15% silver rods and requires a tighter joint fit-up. However, it is significantly more economical and perfectly adequate for most copper-to-copper connections where vibration is not excessive.