Silver Alloys Usage Guide
PRODUCT NAME | DESCRIPTION |
PhosCopper 0 | Very fluid, fast flow and economical. Used with copper, brass, and bronze base metal with recommended joint clearance 0.001" to 0.003". |
PhosCopper 2 | Silver addition lowers solidus temperature, not as fluid as PhosCopper 0, gap clearance 0.001" to 0.003". |
PhosCopper 5 | Used when gap clearance range is 0.003 to 0.006". Ideal for larger copper pipe sizes. |
PhosCopper 5F | For copper, brass or bronze. Slightly more fluid than PhosCopper 5 and PhosCopper 15. Used as preform rings for heat exchangers. |
PhosCopper 6D | Developed to mimic performance of PhosCopper 15 alloy at lower cost. |
PhosCopper 6F | Reasonably fluid, similar to PhosCopper 0 in joint clearance of 0.001 to 0.003". Ideal flow as preform. |
PhosCopper 15 | Most versatile, easy to use. Best for unstable joint clearance (0.002" to 0.006") and brazing temperature. High strength and ductility. |
PhosCopper 18M | Automatic brazing of copper and copper products. |
SilverAlloy Cd-20 | Low silver at expense of broad melt range. Requires rapid heating to prevent liquation. |
SilverAlloy Cd-25 | Less silver than SilverAlloy Cd-30 at the expense of increased melt temperature and range. |
SilverAlloy Cd-25L | Similar to SilverAlloy Cd-25 but requires better heat control. Reduced melt range but more prone to oxidation. |
SilverAlloy Cd-30 | Less silver than SilverAlloy Cd-35 at the expense of increased melt temperature and range. |
SilverAlloy Cd-35 | Broader melt range than SilverAlloy Cd-45. Suitable for larger gap clearance and easier filleting. |
SilverAlloy Cd-45 | Lowest melting range in joining ferrous, non-ferrous and dissimilar metals with close joint clearance requirement. |
SilverAlloy Cd-50 | Similar to SilverAlloy Cd-45 properties with narrower melt range. Used on same base metals. |
SilverAlloy Cd-50Ni3 | Universal alloy in joining of carbide tool assemblies. Nickel addition improves corrosion resistance in marine environment and caustic media. |
SilverAlloy A-5 | Used for simultaneous brazing and heat-treating of steels. Improved ductility to the brass brazing alloys. |
SilverAlloy A-9 | Good color match to band instruments and other brass assemblies. Compatible to heat-treat cycles of carbon steel. |
SilverAlloy A-20 | Excellent temperature match to heat treatment of carbon steels. Good color match to yellow brass assemblies. |
SilverAlloy A-25 | Less silver than SilverAlloy A-30 at the expense of increased melt temperature and range. Moderate ductility. |
SilverAlloy A-25Ni2 | Typical applications are the joining of steels, stainless steels, tungsten carbide. |
SilverAlloy A-25T | Least silver of the Ag-Cu-Zn-Sn family. Moderate ductility limits joint design and application. |
SilverAlloy A-30 | Good for refrigeration assemblies where higher temperatures can be employed. Good for copper, nickel-silvers, and other non-ferrous alloys. |
SilverAlloy A-35 | Dissimilar metals brazing in refrigeration tubing. Moderate melt temperature for ferrous and non-ferrous alloys. |
SilverAlloy A-38T | Similar melt temperatures to cadmium-bearing SilverAlloy Cd-30 and SilverAlloy Cd-35. Suitable for ferrous and non-ferrous metals. |
SilverAlloy A-40 | For nickel, steel and copper alloys, good wide gap filling characteristics. |
SilverAlloy A-40Ni2 | Good corrosion properties with stainless steels. Often used in joining of tungsten carbides. |
SilverAlloy A-40Ni5 | Similar applications as SilverAlloy A-40Ni2 and A-50Ni2. with broader melt range for better gap filling characteristics. |
SilverAlloy A-40L | Narrower melt range suitable for furnace brazing of steel, nickel, copper alloys. Good ductility. |
SilverAlloy A-40T | Intermediate melt temperatures of the tin-containing family. Used in joining ferrous and non-ferrous alloys. |
SilverAlloy A-45 | General purpose alloy for brazing of ferrous and non-ferrous metals. Excellent replacement to Cd containing alloys. |
SilverAlloy A-45T | Good for dissimilar metals with moderate flow characteristics. |
SilverAlloy A-49NiMn | Low temperature melting alloy for joining carbides and ferrous alloys. |
SilverAlloy A-50 | Widely used for electrical applications and in joining dissimilar metals. |
SilverAlloy A-50Ni2 | Used with 300-series stainless in Food, Medical and Dental fields. Good Cd-free alternative for SilverAlloy Cd-50Ni3 in carbide brazing. |
SilverAlloy A-50T | Similar to SilverAlloy A-56T at expense of increased melt temperature and range. |
SilverAlloy A-54N | Low zinc suitable for furnace brazing. Good for elevated service temperatures to 700°F. used for carbon assemblies. |
SilverAlloy A-56T | Excellent replacement to cadmium containing alloys when low melt temp. is required. Good corrosion properties. Color match to stainless. |
SilverAlloy A-60 | Similar to SilverAlloy A-65. Good for nickel and silver alloys. |
SilverAlloy A-65 | Third lowest melt alloy of the "Silversmith Alloys". Good color match to silver. |
SilverAlloy A-70 | Used on sterling silver, next lower melt temperature below SilverAlloy A-75 in step brazing. |
SilverAlloy A-75 | Used on sterling silver. Excellent color match to silver, highest melting of "Silversmith Alloys". |
SilverAlloy Z-75 | Joining of steel and stainless steel assemblies that come into contact with ammonia (NH3). |
SilverAlloy A-100 | High purity brazing alloy with applications in aeronautics, vacuum tubes, specialty parts joining. |
SilverAlloy B-7T | Good for vacuum and atmosphere brazing. A replacement to copper braze when lower melt temperature is required. |
SilverAlloy B-56Ni2 | Good for elevated application to 700°F. Absence of zinc eliminates zinc deposit within furnace during brazing operation. |
SilverAlloy B-60T | Excellent for furnace and vacuum brazing. Good corrosion resistance to marine environment. |
SilverAlloy B-72 | Good for atmosphere and vacuum furnace brazing of ferrous and non-ferrous alloys. Used in critical electronic and aerospace brazements. |
SilverAlloy B-72Ni05 | Similar to SilverAlloy B-72, Cd-free with nickel addition to impart improved corrosion properties with stainless steel. |
SilverAlloy B-72L | Contains Li. High fluidity. For ferrous and nonferrous alloys. Especially suitable for thin stainless steel. |
SilverAlloy Z-85M | Brazing of specialty steels and alloy used in high temperature service. |
SilverAlloy BV-60 | Special alloy with very low level of impurities for vacuum brazing. |
SilverAlloy BV-61 | Moderate temperature low pressure systems, in particular the electronic vacuum tube. |
SilverAlloy BV-68 | For use on ferrous/ non-ferrous alloys; for brazing metallized ceramics to nickel-cobalt-iron assemblies, or joining glass to metal seals. |
SilverAlloy BV-72 | For strong, robust, integral joints: aeronautical applications, linear-beam vacuum tubes, power supply surge protectors, automotive parts. |
Complete List of Vacuum Grade Brazing Alloys |
Layermet A-40Ni2 | Similar to Layermet A-50Ni2 with higher brazing temperature. Exhibits good strength and wetting action on carbide. |
Layermet A-40Ni5 | Similar to Layermet A-40Ni2 with higher nickel for strength and corrosion resistance. |
Layermet A-50Ni2 | A popular cadmium-free tri-layered silver-copper-silver strip in 1/2/1 ratio that delivers superb performance in carbide brazing applications. |
Layermet Cd-50Ni3 | A cadmium bearing Layermet with exceptional strength, flow characteristics, and extremely low brazing temperature. |