Aluminum-Based Master Alloys

Master Alloys Bulletin

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Aluminum-Based Master Alloys

Applications:

Grain Refiners
Grain refiners containing titanium (with or without boron) control the structure and dispersion of individual crystals in metals to produce finer grain sized castings. They provide consistent improved mechanical strength and soundness of the casting.

Modifiers
Usually supplied for use in Silicon-Aluminum alloys, modifiers change micro-structural properties of metal to increase strength, toughness, ductility, and resultant machinability. Milward offers modifier alloys for hypoeutectic Silicon-Aluminum and refiner alloys for hypereutectic Silicon-Aluminum. Strontium is favored where Si concentration is below 12%. Phosphorus-Copper is a highly effective refiner for high Si content alloys such as A390.

Hardeners
Hardener chemical elements change the composition of metal alloys.

Beryllium-Aluminum
These alloys provide effective control of aluminum melt oxidation by forming a tight protective oxide on the liquid surface. Minimization of oxygen pickup has the concurrent benefit of reducing magnesium oxidation loss and inclusion contamination common to high Mg Al alloys.

Selection Chart:

Click here to view our comprehensive Aluminum Master Alloys Selection Chart.
(Note: you will need Adobe Acrobat Reader to view our Selection Chart. Click here to download a free version.)

Standard Forms & Packaging:

Aluminum Waffle Ingot - 16 lbs. (7 kg)
Aluminum Notch-bar Ingot - 15 lbs. (7 kg) and 50 lbs. (22 kg)
Aluminum Cut Waffle - 1 lb. (0.5 kg)
Milward's Aluminum Master Alloys are also available in our proprietary line of Precision Addition Forms. Click here for complete details.

Packaging & Shipping:

Milward master alloys are packaged in steel or fiber drums on pallets, wood or cardboard pallet boxes, and stretch-wrapped on pallets. Most items are available from stock for prompt shipment.

Milward Alloys, Inc. 500 Mill Street, Lockport, NY 14094-1712 USA
Phone: 716-434-5536 | Fax: 716-434-3257 | Toll-Free: 1-800-833-6600
E-Mail: milward@milward.com

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