Aluminium-Titanium-Carbon (AlTiC) Grain Refiner Master Alloy

KBM Affilips produce a full range of alloys for the global aluminium industry, including the critical Aluminium-Titanium-carbon grain refiner alloy. These superbly made master alloys are used in aluminum wrought alloys and foundry alloys for composition adjustments and structure control.

KBM Affilips aluminium-titanium carbon (AlTiC) rod is an effective grain refiner for a number of aluminium alloys, which include the Mg and Zr containing series, and in manufacturing boron treated EC grade aluminium.

Aluminium-Titanium-Carbon is a suitable alternative to Aluminium-Titanium-Boron grain refiners, especially for in applications where TiB2 is undesirable.

Examples include casting systems in which the presence of agglomerated TiB2 promotes premature filter blockage, surface defects caused by TiB2 agglomerates and grain refiner poisoning caused by the presence of zirconium.

AlTiC is found in the following forms:

  • Coiled rod
  • Cut rod

Alloy Composition

The Aluminium titanium carbon alloy composition is shown in the Table below:

Alloy Composition
AlTiC3/0.15 3% Ti 0.15% C balance Al

Application

The application of AlTiC grain refiner master alloy is EC grade, 5000 and 7000 series aluminium alloys.

AlTiC grain refiner rod finds applications in a number of casthouses globally for a range of different alloys and semi finished products.

Examples include:

  • 5000 series alloys, to prevent the formation of TiB2 decorated Mg oxides
  • 7000 series alloys, to prevent AlTiB grain refiner poisoning by zirconium
  • EC grade aluminium, for a superior surface quality of the cast Properzi bar

This information has been sourced, reviewed and adapted from materials provided by KBM Affilips.

For more information on this source, please visit KBM Affilips.

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Comments

  1. Alfred Mastoras Alfred Mastoras Greece says:

    Hi!
    I want to ask about the practice of adding the AlTiC3/0.15 in EC aluminum.
    So this grain refiner must entry in the melting furnace, in the holding furnace or before the casting? Also which will be the criterion for quantity of the refiners per ton of metal produced?
    Thank you in advance.

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