Brazing & Soldering Products
Lucas-Milhaupt offers the most comprehensive inventory of alloys and forms in the industry and our expertise in brazing and soldering ensures that we can find the best-matched products for your needs.
Visit our knowledge base for MSDS and other technical documentation.
Carbide Brazing Alloys
Lucas-Milhaupt offers several products for brazing carbide and diamond cutting tools. These materials typically include nickel or manganese (or both) to facilitate wetting of the carbide and increase bond strength. Many of these alloys are also available in a Tri-metal form.
The TRIMET® Alloy Advantage
These TRIMET® alloys consist of two layers of brazing filler metal clad onto a core of copper. This eases the stresses that arise due to the differences in thermal expansion between the carbide and base metal and is particularly important when joining carbides larger than one half inch.
Is TRIMET® Carbide Brazing Right for You?
The selection of TRIMET® material for carbide applications is dependent upon base metals, service conditions, heating method, and size of the assembly. Brazing of small carbides (less than 0.5 in.2 in surface area) may not require the use of a TRIMET®, but its use on larger pieces with a surface area greater than 0.5 in.2 have proven very beneficial in preventing cracking and warpage of the carbide.
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|Product||Solidus||Liquidus||Nominal Composition, %||AWS & International Standards||Technical Documents*||MSDS Safety Documents*|
(Formally SILVALOY® 50N) Lowest melting filler metal for joining carbides and steels.
|HANDY HI-TEMP® 080
Economical, high strength filler metal for joining carbides to alloy steels.
|HANDY HI-TEMP® 095
High strength filler metal for joining carbides, steels and heat resistant alloys.
|HANDY HI-TEMP® 548
Moderate strength, low melting copper based alloy for carbides, tool steels, etc.
(Formally BRAZE™ 252) Economical filler metal for carbide, stainless steel and steel.
(Formally BRAZE™ 299) Intermediate temperature braze alloy for use on ferrous & non ferrous alloys. Can be used to join carbide tools.
(Formally BRAZE™ 403 / SILVALOY® A40N2) For carbides, steels and stainless steel; slow flow.
(Formally BRAZE™ 495 / SILVALOY® A49NM) For low-temperature brazing of tungsten carbide and stainless steel.
(Formally BRAZE™ 505 / SILVALOY® A50N) Cd-free replacement for EF 3. Free flowing alloys used to braze ferrous & non ferrous alloys. Joins carbides and stainless steel. Fluid flow.
(Formally PLYMETAL A49NM) SILVALOY® 495 on both sides of copper in 1-2-1 ratio.
(Formally PLYMETAL 5031) EASY-FLO® 3 on both sides of copper in 1-2-1 ratio.
(Formally PLYMETAL A50N) SILVALOY® 505 on both sides of copper. Cd-free with higher strength and better flow qualities than TRIMET® 258.