GalvRepair™
The Structural Steel Industry Standard for Galvanizing Repair for Almost 50 Years

GalvRepair™ solder is the lead formulation designed specifically for high quality repairs to galvanized steel surfaces. GalvRepair™ is simple, effective and easy to use, in both manufacturing and field applications. Just like the original galvanizing, GalvRepair™ metallurgically bonds to the steel, for a seamless protective barrier.

GalvRepair™ exceeds performance standards as specified by ASTM standard A780-92 for repair of galvanized coatings.

Benefits and Uses

GalvRepair™ has been designed to accomplish three important objectives:

  • Provide excellent cathodic and barrier protection, far superior to zinc paints and alternative barrier coatings,
  • Allow easy application at low temperatures with any heat source,

General Procedure

Prepare the surface to be repaired by sanding or wire brush.

GalvRepair™ has a broad slushy range of 450°F to 600°F (232°C to 315°C). When heated, the slurry can be shaped and spread easily to blend seamlessly with the existing galvanized coating. The slurry can be built to a substantial thickness, even on vertical surfaces.

Hot Dip Galvanizers:

Small defects in the surface of freshly galvanized steel can be easily repaired with GalvRepair™. Typically, residual heat is sufficient to melt and apply GalvRepair™. The high zinc content provides excellent cathodic protection and the repair blends and bonds with the original galvanizing.

Fabricators and Welders:

In the shop and field, galvanized surfaces are often damaged by cuts and welds. Due to its moldable nature, GalvRepair™ can be applied to a substantial thickness in almost any orientation. The solder penetrates deep into cracks and imperfections to provide a seamless protective barrier.

Please Note: GalvRepair™ contains 50% Lead. For galvanizing repairs requiring a lead-free alloy, please see the information for Kapp Galvanite™.

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All Kapp Tin-Zinc-Lead Solders

Economical solders for repairing & joining most metals including aluminum and cast iron.

Benefits and Uses

Low application temperatures prevent loss of properties and minimize distortion. Excellent for use in production processes joining large surface areas of aluminum. Also used to build up, fill or seal cast iron, malleable iron, copper, steel and nickel alloys. It can be used in the repair of Kirksite and galvanized surfaces; also for sealing water jackets, compressor housings, gear boxes, liners, cast iron radiators, and for tinning surfaces as a base for Babbitt Metal. Will withstand hydraulic pressure up to 900 psi.

General Procedure

The joint area must be cleaned and ground, filed or chipped, to improve strength where vibration is expected. Heat the area of application (NOT the rod directly). Tin the area thoroughly by rubbing the rod on the surface, allowing conducted heat to melt the alloy, and then add additional rod for filling.

When necessary, flux should be applied to ensure bonding. Depending on the application, Kapp Golden Flux for aluminum soldering or Kapp Comet Flux may be used for metals except aluminum. Some applications do not require flux.

The following chart represents our standard tin-zinc-lead alloys. Many factors, such as materials, temperature, and method of application determine the end result of any joining operation. Call Kapp Engineering Assistance to discuss your specific needs. We recommend testing appropriate alloys in your specific application to ensure suitability. Samples of Kapp's alloys are always available upon request.

 

Composition Temperature Links Standard Forms
Sn Zn Pb Cd Ag Cu Sb RFQ R&D HELP Wire Ribbon 1/4"
x14"
1/8"
x18"
Sheets to 12" wide Handy Vials Acid Core Rosin Core
30 20 50 177-288 350-550 222 222        
33 4 63 177-288 350-460 218 218          

Sn=Tin, Zn=Zinc, Pb=Lead, Cd=Cadmium, Ag=Silver, Cu=Copper, Sb=Antimony

All Kapp aluminum solders are available in bar or wire form.
Custom alloys and forms are our specialty.

Wire

  • Standard - 14" by 1/4" square rod, and 18" by 1/8" round rod.
     
  • Also available in continuous wire diameters from .031" (1/32") to .187" (3/16").
     
  • Spool sizes: 1 lb., 5 lbs., 25 lbs., and 50 lbs.

Bars

  • RegBar - 1+ lb. each -Molds are 13.5" L x 0.75" W x 0.5" D with oval ends.
     
  • 2 Lb. Bar - 2+ lbs. each - Molds are 10.5" L x 1" D, 1.5" W tapering to 1".
     
  • Notch Bar - 6+ lbs. each - Molds are 11" L x 2.25" W x 1.25" D with 4 notches, 5 sections per bar.
GalvRepair™
The Structural Steel Industry Standard for Galvanizing Repair for Almost 50 Years

GalvRepair™ solder is the lead formulation designed specifically for high quality repairs to galvanized steel surfaces. GalvRepair™ is simple, effective and easy to use, in both manufacturing and field applications. Just like the original galvanizing, GalvRepair™ metallurgically bonds to the steel, for a seamless protective barrier.

GalvRepair™ exceeds performance standards as specified by ASTM standard A780-92 for repair of galvanized coatings.

Benefits and Uses

GalvRepair™ has been designed to accomplish three important objectives:

  • Provide excellent cathodic and barrier protection, far superior to zinc paints and alternative barrier coatings,
  • Allow easy application at low temperatures with any heat source,

General Procedure

Prepare the surface to be repaired by sanding or wire brush.

GalvRepair™ has a broad slushy range of 450°F to 600°F (232°C to 315°C). When heated, the slurry can be shaped and spread easily to blend seamlessly with the existing galvanized coating. The slurry can be built to a substantial thickness, even on vertical surfaces.

Hot Dip Galvanizers:

Small defects in the surface of freshly galvanized steel can be easily repaired with GalvRepair™. Typically, residual heat is sufficient to melt and apply GalvRepair™. The high zinc content provides excellent cathodic protection and the repair blends and bonds with the original galvanizing.

Fabricators and Welders:

In the shop and field, galvanized surfaces are often damaged by cuts and welds. Due to its moldable nature, GalvRepair™ can be applied to a substantial thickness in almost any orientation. The solder penetrates deep into cracks and imperfections to provide a seamless protective barrier.

Please Note: GalvRepair™ contains 50% Lead. For galvanizing repairs requiring a lead-free alloy, please see the information for Kapp Galvanite™.


Copyright © 2004 Kapp Alloy and Wire, Inc. All rights reserved. Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.