ASTM A363 PDF

Historical Version s - view previous versions of standard. More A This specification covers high strength, extra-high-strength, and utilities grades of concentric lay steel wire strand composed of three wires or seven wires in class A, class B, or class C zinc coatings specifically intended for use as overhead ground wires or static wires for electric transmission lines. The strand shall have a left lay with a uniform pitch of not more than 16 times the nominal diameter of the strand. The strand is preformed when the component wires are set to the helical form which they assume in the product by any means of process other than by merely laying them about the strand core. The approximate weight per unit length of strand and the minimum breaking strength of the finished strand are presented.

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ASTM B ASTM A ASTM F — ASTM D Designation: A — 03 Standard Speci? A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. The SI units given in brackets are for information only. Referenced Documents 2.

Terminology 3. Ordering Information 4. Materials and Manufacture 5. Stranding 6. A left lay is de? Stranding shall be sufficiently close to ensure no signi? Preforming Strand 7. Strand is preformed when the component wires are set to the helical form which they assume in the product by any means of process other than by merely laying them about the strand core.

Breaking Strength and Weight 8. Elongation 9. The separation of 1 This speci? Current edition approved October 1, Published December Originally approved in Last previous edition approved in as A — If the tolerances shown above are rigidly applied to such irregularities that are inherent to the product, unjusti? Therefore, it is intended that these tolerances be used in gaging the uniform areas of the galvanized wire. Permissible Variations in Wire Size Workmanship, Finish, and Appearance the jaws of the testing machine shall be approximately 2 ft [0.

The elongation values shall be recorded only for specimens that break over 1 in. Ductility of Steel Weight of Coating Adherence of Coating Loosening or detachment during the adhesion tests of super?

Joints and Splices The coating shall be continuous and reasonably uniform. Sampling Select all three wires in three-wire strand, and four of the wires in seven-wire strand.

Individual wire samples selected for compliance to Section 14 shall be discarded if any distortion of the wire occurred during the stranding operation. However, if the producer makes this election, the purchaser shall still reserve the right to test wires from the completed strand for compliance.

Inspection All tests and inspection shall be made on the? Rejection Packaging and Package Marking Each reel shall be clearly marked to show the length of the strand contained thereon. Keywords ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phone , fax , or service astm.

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