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Metal & Alloy Selection

What metals can be deep drawn? Professor Metal explores metal alloy selection for deep drawing, addressing tooling costs, finish, and deep draw percentages.

What Type of Metal?

Do you have a choice or does design call for a particular alloy?

Aluminum is a good material. It is light yet strong, It is easily worked (drawn); readily accepts a host of finishes; can be washed and shipped in an as-fabricated condition without rusting and has a pleasing appearance. Tooling for aluminum is less expensive than steel.

STEEL:

Mild low carbon steel in the annealed condition that is of good deep draw quality can be drawn quite easily (tensile in “O” temper 45000 PSI). There are an infinite variety of other steel alloys that can be drawn in their “O” temper then heat treated for strength:

THINGS TO CONSIDER:

  • Tooling is expensive - you need extra hard steel to draw properly
  • Rust is a problem during transit as well as I a final use if it is not finished properly or protected.

Other common metals that can be successfully drawn are: copper, brass and stainless steel?

  • 1100-0 Alum. Weighs .0979 lb/cu. in.
  • Brass = 3.1 x wgt 1100 Alum
  • Copper = 3.3 x wgt 1100 Alum
  • Steel = 2.89 x wgt. 1100 Alum

The same approximate draw percentages used for steel and aluminum can be used for these metals.

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Design and Engineering Support for Hydroforming and Deep Drawn Metal Manufacturing

With 100 years and 4 generations of experience, Amalco offers design and engineering support for customers who need to manufacture deep drawn and hydroformed metal products and parts. Our team is ready to help you solve design challenges and answer your hydroforming process and deep drawing process questions. If you are new to metal forming and fabrication, Professor Metal is here help you get started.

Professor Metal
AMALCO American Aluminum Company
230 Sheffield Street, Mountainside, NJ 07092
Phone: 908-233-3500
http://www.amalco.com
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