Instructions / Assembly

Page A15
7/07
BASIC SOLDERING TERMS AND TECHNIQUES /
STORAGE AND HANDLING OF PRODUCT
Soldering Different Types of Metal
Different techniques and materials are needed to effectively solder different types of metal.
1. Galvanized Steel
a. If the galvanized steel is bright and clear, use Zinc Chloride as a flux to make a well-bonded joint.
b. If the galvanized steel is dull and dirty, use Muriatic Acid as a flux to allow the solder to bond.
c. For best results, use a 50% Tin – 50% Lead solder.
d. All flux should be washed off of the metal after soldering is complete.
e. There are many commercially marketed fluxes for soldering galvanized steel.
2. Copper
a. If the surface of the copper is free of oxide, it can be easily soldered using Zinc Chloride as a flux.
b. If the copper is dull, apply Muriatic Acid directly to the metal with an acid brush to clean the
surface. The Muriatic Acid should be washed off with a damp rag before applying the Zinc Chloride
as a flux.
c. For best results, use a 50% Tin – 50% Lead solder.
d. All flux should be washed off of the metal after soldering is complete.
e. There are many commercially marketed fluxes for soldering copper.
3. Stainless Steel
a. Apply Muriatic Acid directly to the metal with an acid brush to clean the surface.
b. Leave the acid on the surface of the metal for the required time (this varies with the type of
stainless steel and the strength of the acid).
c. The Muriatic Acid should be washed off with a damp rag before applying the Zinc Chloride as a flux.
d. For best results, use a 50% Tin – 50% Lead solder.
e. All flux should be washed off of the metal after soldering is complete.
f. There are many commercially marketed fluxes for soldering stainless steel.
STORAGE AND HANDLING OF PRODUCT
Berger products must be stored in a properly ventilated, dry environment to prevent condensation on metal surfaces.
Materials that are stored in areas subject to temperature variations, outside storage or subjected to moisture damage
are not returnable. Galvanized Steel and Zinc surfaces are susceptible to humid storage stain or white rust. SMACNA
guidelines for storage and handling of materials apply. Refer to SMACNA appendix A-5 sections 1.7, 1.8, 1.9.
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