1.1 This specification covers electric-resistance-welded carbon and alloy steel tubing for use as mechanical tubing.
1.2 This specification covers mechanical tubing made from hot- or cold-rolled steel.
1.3 This specification covers round, square, rectangular, and special shape tubing.
Size Range Type (Round Tubing) Electric-Resistance-Welded Tubing outside diameter from 1/2 to 15 in. from Hot-Rolled Steel (19.0 to 381.0 mm) wall from 0.065 to 0.650 in. (1.65 to 16.50 mm) Electric-Resistance-Welded Tubing outside diameter from 3/4 to 8 in. from Cold-Rolled Steel (9.52 to 203.2 mm) wall from 0.022 to 0.134 in. (0.71 to 3.40 mm)1.4 Optional supplementary requirements are provided and when desired, shall be so stated in the order.
1.5 The values stated in inch-pound units are to be regarded as the standard.
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