tailieunhanh - Standard Specification for Cold-Drawn Buttweld Carbon Steel Mechanical Tubing

This specification covers cold-drawn buttweld carbon steel tubes for use as mechanical tubing. This specification covers round, square, rectangular, and special shape mechanical tubing. | Designation A512 06 Reapproved 2012 Standard Specification for Cold-Drawn Buttweld Carbon Steel Mechanical Tubing1 This standard is issued under the fixed designation A512 the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. 1. Scope Federal Standard This specification covers cold-drawn buttweld carbon Fed. Std. No. 123 Marking for Shipments Civil Agencies 4 steel tubes for use as mechanical tubing. 3. Ordering Information This specification covers round square rectangular and special shape mechanical tubing. Orders for material under this specification should include the following as required to describe the required Round tube size ranges covered are outside diameters up material adequately to 3 1 2 in. mm and wall thickness from to Quantity feet weight Note 1 or number of lengths in. to mm . NOTE 1 The term weight is temporarily used in this specification Optional supplementary requirements are provided and because of established trade usage. The word is used to mean both force when desired shall be so stated in the order. and mass and care must be taken to determine which is meant in each case SI unit for force newton and for mass kilogram . The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical Name of material buttweld carbon steel mechanical conversions to SI units that are provided for information only tubing and are not considered standard. Form round square rectangular special shape Condition description and code letters Section 5 2. Referenced Documents Grade if required Section 6 ASTM .