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Metric Standards for Worldwide Manufacturing, 2007 Edition

Knut O. Kverneland
Knut O. Kverneland
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ASME Press
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Rationalization — The change to metric steel sizes opens up a tremendous opportunity for USA industry to rationalize on fewer steel sheet, plate, wire, bar, tube and section sizes. Some companies have shown remarkably good results when rationalizing, steel plates, for example, from 19 inch sizes to 8 metric sizes. Again, the use of the preferred metric sizes shown in Table 4-1 is the key tool to use.

The preference ratings -F for first choice, S for second choice, and T for third choice -are used in the referenced standards to promote usage of fewer sizes. Little rationalization of sizes is achieved in a company if one freely selects from all first-choice sizes listed in the steel tables.

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