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Old 04-23-2019, 06:41 PM   #12
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Join Date: May 2010
Location: San Tan Valley, Arizona
Posts: 167
Default Re: 35 floor thickness?

Do a web search on DQAK Steel;

DRAWING QUALITY - ALUMINUM KILLED (DQAK) - Specially killed steel using aluminum as the deoxiclizing agent. "
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