ALUMINUM HEAT TREATING


Aluminum Heating

Aluminum Heating Two

IN-MET offers a wide variety of Aluminum Heat Treating processes to suit our customer’s unique needs, including solution treating, aging, stress relieving and annealing of both cast and wrought aluminum products. No matter what your Aluminum processing requirement, IN-MET can meet your Heat Treating needs with high quality standards and quick turnaround.

As noted above, the Heat Treating of Aluminum can take on several different processes depending on what you are looking for. While stress relief, annealing, and solutioning are used to remove stress and reduce hardness – solution treating, quenching and artificial aging are used to restore hardness or harden beyond the natural hardness. 

Stress relief relieves stress caused by machining or cutting, while annealing removes all stress and some of the hardness required to work the material, and solutioning removes all of the hardness. Solution and quenching restores the natural hardness of the material, while artificial aging harden the material beyond its natural hardness.

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SOLUTION HEAT TREATING

Solution annealing is a high temperature heat treating process which is designed to soften the material enough to allow it to be straightened or formed to your desired shape. The annealed condition of the material is maintained by quenching the alloy in water or a polymer solution. Distortion or warpage of the material may be a concern due to the heating and cooling cycle. With our year of experience heat treating Aluminum we can assist in creating fixtures and racking solutions to minimize the risk of distortion.

To meet our customers heat treating needs we have multiple solution annealing furnaces that meet AMS 2750E class 3 temperature requirements of +/-10F.  

AGE HARDENING

Age hardening or precipitation hardening is a low temperature heat treating process designed to increase the strength and mechanical properties of aluminum alloys. Aluminum in the solution annealed condition is a prerequisite of the age hardening process.  

Once in the annealed condition the age hardening process can commence. It should be noted that if the material is in the T-0 condition, the parts must be solution annealed prior to aging for the age to be effective. Additionally, if the material has a straightness tolerance, all straightening activities must be performed prior to the aging process.

IN-MET has several aging furnaces to meet our customers unique heat treating needs.  All aluminum furnaces are surveyed to meet AMS 2750E class 3 temperature requirements of +/-10F.  

STRESS RELIEVING

Stress relieving involves heating a part to a temperature at which internal stresses can relieve themselves.   Higher temperatures and longer times are beneficial and will yield a part with lower internal stresses. Temperatures are kept below the point at which there is a physical change to the property of the material.

Stress relieving does not typically distort or transform aluminum. It should be noted that cast materials with low ductility or with geometries that include stress risers can increase the possibility of cracking during the initial heating portion of the stress relieving process. When having the lowest possible internal stresses is important IN-MET can help you meet your needs and answer any questions or concerns you may have prior to the Heat Treating process.

IN-MET has the capability to stress relieve a variety of materials and part sizes – Please call IN-MET for size capacities – IN-MET’s qualified professional staff is always available to answer your questions.

FULL ANNEALING

Whenever you need to perform bending or forming on your aluminum alloy parts, it’s often best for the material to be as soft as possible. IN-MET can make that possible with our full anneal treatment for aluminum, which can bring the material to the T-0 condition.

Full Annealing is recommended for aluminum products meant to undergo forming or shaping processes or for parts that will require additional hardening treatments later in the production process.

IN-MET has the capability to Fully Anneal a variety of materials and part sizes – Please call IN-MET for size capacities – IN-MET’s qualified professional staff is always available to answer your questions.

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