Low Temp Alloys (Fusible Alloys)

Alloys and Industry Equivalents

Industry Equivalents

•  Anchor bushings in drill jigs
•  Internal or external support of delicate parts for machining
•  Cores for spinning
•  Fusible mandrels in filament winding.
•  Fiberglas lamination
•  Drop hammer and embossing dies
•  Tube bending filler (up to 1-3/4" diameter)
•  Heat transfer medium in processing plastics, chemicals, etc. (up to 255°F)
•  Shielding Blocks for Nuclear Medicine

• Toy soldier casting
• Proof casting cavities (threads, dies, moulds, blind holes)
• Duplicate patterns in foundry match-plate making
• Supporting work pieces while machining
• Spray coating wood patterns
•  Masks for electroplating and spray-painting.

• Cadmium Free alternative for LOW 158 for Nuclear Medicine.

• Originated by GE for anchoring punches in dies
• Anchor non-moving parts in machinery; hold down bolts in concrete floors, locator parts in tooling docks
• Split jaw chucks, jigs, fixtures
• Metal forming dies, form blocks, joggle jaws
• Repairing broken dies
• Filling blowholes in castings.

• Anchor cutlery handles, inserts in wood, metal parts in glass (Tuflex doors)
• Make fusible spinning chucks
• Mandrel for electroforms
• Drop hammer dies, stretch form blocks
• Moulds for plaster, plastics
• Tube bending filler (over 1-3/4" diameter)
• Hydrodynamic forming, seamless fittings
• Duplicate patterns in pottery and foundry
• Liquid metal in autoclaves, heat-treating
• Heat transfer (Up to 327 °F)
• Shielding Blocks for Nuclear Medicine

• Anchor shafts in permanent magnet rotors, locator members in aircraft assembly fixtures, metal parts in glass, magnets in fixtures
• Make nests for parts in jigs and dial feed stations
• Cores for electroforming
• Embossing dies, form blocks
• Joggle jaws
• Lost wax pattern dies
• Duplicate foundry patterns
• Tracer models in profiling
• Moulds for plastics, sheet plastics, plastic teeth, prostethetic development
• Potting electronic components
• Laps for rifle barrels.

• Parallels LOW 281 in its end uses
• Electroforming mandrels, lost wax pattern dies due to greater dimensional accuracy
• Holding jet turbine engine blades for machining.

*Latent Heat - Fusion Btu/Lb.

Conductivity (Electrical)
Compared with Pure Copper

*Maximum Load -
30 Seconds Lbs/In²

*Maximum Load -
 5 Minutes Lbs/In² 

*Safe Load Sustained - 
Lbs/In²

• *Approximate  

Eutectics

Growth/Shrinkage Time after Casting

• Cumulative Growth and Shrinkage, Inch per Inch Compared to Cold Mold Dimensions.
• Test Bar 2" x 2" x 10".