ASTM B226-11(2021) pdf free download.Standard Specification for Cored, Annular, Concentric-Lay-Stranded Copper Conductors.
3. Ordering Information
3.1 Orders for material under this specification shall include the following information:
3. 1.1 Quantity of each size.
3.1.2 Conductor size: circular-mil area (Section 7 and Table 1).
3.1.3 Whether coated or uncoatcd: if coated, a tin coating only (Section 11),
3.1.4 Specific kind and treatment of core material (Section 4),
3.1.5 Details of special-purpose lays, if required (see 6.1 and 6.2 and Explanatory Note 3),
3.1.6 Package size (Section 14),
3.1.7 Lagging. if required (sec 14.2).
3.1.8 Special package marking. if required (Section 14.3). and
3.1.9 Place of inspection (Section 13).
4. Core
4.1 The core may be of any material or materials suitable for the purpose as agreed upon by the manufacturer and the purchaser when placing the order.
4.2 The size of the core and its surface firmness as a base for the overlaid wires shall he adequate to revent the forcing or dropping of any wire out of its layer position (Explanatory Note 4).
4.3 If a specific kind of fibrous core is required by the purchaser (such as manila rope. sisal, and so forth) it shall be specified by him when placing the order (Explanatory Note 4).
4.4 The proper treatment of the fibrous core, if any treatment be required. shall be left to the discretion of the manufacturer unless other arrangements are made at the time of Purchase.
4.5 If a metal supporting type of core is required, special arrangements will be necessary beween the manufacturer and the purchaser.
5. joints
5.1 No splice shall be made in (he conducwr as a whole. Welds or brazes may he made in the finished individual wires. Not more than one of the wires in any given layer shall be spliced in any 1-ft length of that layer.
5.2 All joints shall he made in a workmanlike manner and shall he approximately the diameter of the unjointed wire.
6. Lay
6. 1 The length of lay of the respective layers of wires shall be at the option of the manufacturer unless otherwise agreed upon with the purchaser (Explanatory Note 3).
6.2 The direction of lay of the outer layer of wires shall be left hand, unless specified otherwise by (he purchaser (Explanatory Note 3).
6.3 The direction of lay shall be reversed in successive layers (Explanatory Note 3).
7. Construction
7.1 The nominal conductor size, number of layers of wires, number, diameter, lay-up of wires, approximate core diameter.ASTM B226-11 pdf download.