03-09-2010, 04:22 PM
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Senior Club Cobra Member
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Join Date: Jun 1999
Location: Fallbrook, CA USA,
CA
Cobra Make, Engine: Porsche 928 S4
Posts: 739
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Not Ranked
CSXdreamer,
You cannot use mild steel.
The most commonly used material is Chromium-Moly 4130 for tubular bars.
For blades 6150 Chrome-Vanadium is the typical material.
Heat treat for both is RC35>38
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