Non-Ferrous Casting / TAB
Tablet Alloys
Master alloy tablets used for grain refinement, modification and alloying in aluminum casting industry.
Technical Specifications
Key Features
- AlTi5B1: grain refinement - mechanical property improvement
- AlSr10: Si modification - elongation improvement
- AlMn20: manganese alloying - corrosion resistance
- Easy dosing (tablet form)
- Homogeneous distribution
- Fast dissolution
Applications
- Aluminum die casting
- Aluminum gravity casting
- Automotive alloys (A356, A380)
- Aerospace aluminum parts
- Electronics sector casting
- General aluminum foundries
Dimension Table
| Property | Specification | Unit |
|---|---|---|
| AlTi5B1 - Ti | 5 ± 0.5 | % |
| AlTi5B1 - B | 1 ± 0.2 | % |
| AlSr10 - Sr | 10 ± 1 | % |
| AlMn20 - Mn | 20 ± 2 | % |
| Tablet Weight | 75 - 100 | g |
Technical Notes
- 01AlTi5B1: should be added 10-15 minutes before casting.
- 02AlSr10: Sr modification effect lasts approximately 2 hours (fading).
- 03Tablets should be submerged below melt surface.
- 04Dosage determined by alloy type and part thickness.
- 05Store in dry and cool environment.
Other Types
What are non-ferrous casting materials?
Non-ferrous casting materials are the melting and alloying consumables of aluminium, copper and zinc foundries. We supply two main groups: crucibles (silicon carbide SiC and clay-graphite, 1–1000 kg capacity) and aluminium master alloy tablets (AlTi5B1 grain refiner, AlSr10 modifier, AlMn20 alloying tablet).
Crucible selection and what master alloys do
Crucible choice follows the furnace type: clay-graphite crucibles stand out for thermal shock resistance in gas/fuel-fired furnaces; SiC crucibles offer higher thermal conductivity and longer life, serving a wide range including induction furnaces. The right crucible directly affects melting time and energy consumption. Master alloys control the structure of liquid aluminium: AlTi5B1 refines grain via dissolving TiB2/Al3Ti particles — a fine equiaxed grain structure reduces hot tearing and improves feeding and mechanical properties. AlSr10 modifies the eutectic silicon in Al-Si alloys from acicular to fine fibrous form, markedly raising ductility, and stays effective far longer than sodium. Alloying tablets such as AlMn20 dissolve quickly at low temperature, giving a practical route to the target chemistry. All products ship with analysis certificates.
Frequently Asked Questions
SiC vs clay-graphite crucible — what is the difference?+
SiC offers higher thermal conductivity and longer service life; clay-graphite is economical and thermal-shock resistant. Furnace type, alloy melted and melting tempo decide the choice.
What does the AlTi5B1 grain refiner do?+
It seeds liquid aluminium with TiB2/Al3Ti nuclei, producing a fine equiaxed grain structure on solidification: less hot tearing, better feeding and higher mechanical properties.
Why is the AlSr10 modifier used?+
It converts the eutectic silicon in Al-Si casting alloys from acicular to fine fibrous form, clearly improving ductility and impact strength. Strontium lasts far longer than sodium modification.
How are master alloy tablets dosed?+
Tablets are produced at a known net weight; the count per furnace is calculated from the target chemistry, they dissolve quickly at low temperature, and the result is verified by analysis.
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