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WARNING: This product can expose you to chemicals including Nitrogen Dioxide, which is known to the State of California to cause cancer, and Carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

RADNOR™ 0.050" x 1/8" X 20" BCuP-5 Stay-Silv® Flat Phos-Copper Brazing Alloy Rod 0.350 lb 8 Pc Mini-Pak Tube (Prices are subject to change without notice due to raw materials cost volatility)

Airgas Part #:RAD64001756

Manufacturer Part #:64001756

$55.90 /Package
Package Size Options
$55.90 Package
$223.60 Box 4 Pack / Box

Item Details

  • Stay-Silv® 15 is the industry standard for air conditioning/refrigeration applications. Its melting range is useful in filling wider clearances while providing good service ductility.


  • Standard in the industry brazing alloy.
  • Good strength and ductility
  • Frequent choice for brazing copper - copper is self-fluxing.
  • Its wide melting range allows operators to fill loose connections and "cap" or build up around finished joints.
  • Excellent for situations where close fit-up does not exist, and thermal expansion and service vibration are involved.
  • Popular brazing filler metal for HVAC and refrigeration connections.
  • Can braze brass using Stay-Silv® white brazing flux.
  • Suitable for brazing low nickel (10%) and copper/nickel base metals.
  • Solidus: 1190°F (643°C)
  • Liquidus: 1475°F (802°C)
  • Fluidity Rating: 3
  • Density: 0.305 lbs./cu. in.
  • Electrical Conductivity: 9.9% IACS
  • Electrical Resistivity: 17.4 Microhm/cm
  • Recommended Joint Clearance: 0.002-0.006"
  • Not recommended for brazing steel or other ferrous base metals.
  • Stay-Silv® 15 should not be used if braze is exposed to sulfur or sulfur compounds in service.
  • Made in USA


  • ANSI/AWS A5.8
  • ASME SFA 5.8
  • Class BCuP-5, QQ-B-654A BCuP-5, ISO 17672 CuP 284


  • Copper and brass brazing applications
  • HVAC and refrigeration connections


  • Keep your head out of fumes
  • Use enough ventilation, exhaust at the arc, or both, to keep fumes and gases from your breathing zone and the general area
  • Wear correct eye, ear, and body protection
  • Do not touch live electrical parts

Product Attributes

Alloy Material

» 15% Silver
» 5% Phosphorus
» 80% Copper

AWS Classification

» BCuP-5


» 0.050" x 1/8"

Solder Type

» Flat Phos-Copper Brazing Alloy Rod

Trade Name

» Stay-Silv®


» 0.350 lb


» 20"


» 8 Pc Mini-Pak Tube