Find the most up-to-date version of ASTM B at Engineering ASTM B_能源/化工_工程科技_专业资料。Designation: B – 07 Standard Speci?cation for Silver-Coated Soft or Annealed Copper. Buy ASTM B SPECIFICATION FOR SILVER-COATED SOFT OR ANNEALED COPPER WIRE from SAI Global.

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Do not return used solutions to the original stock solution. In general, solutions may be reused approximately eight or ten times, or until erratic results are obtained, before asrm. Link to Active This link will always route to the current Active version of the standard. The result will be the thickness of the plating in microinches. A portion of the test solution used for testing samples shall not be considered to be exhausted until it fails to blacken a piece of clean copper as described Explanatory Note 9: The manufacturer shall afford the inspector representing the purchaser all reasonable facilities to satisfy him that the material is being furnished in accordance with this speci?

Link to Active This link will always route to the current Active version of the standard. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Enter your personal account email address to request a password reset: Heat to boiling, remove from the hot plate, and add slowly, with rapid stirring, 10 mL of NaCl solution. For information purposes the thickness of coating in microinches provided by the percentages listed above is shown in Explanatory.

When coatings other than these classes are required, the weight of the coating shall be not less than that speci? For specific precautionary statements see 8.

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. NOTE 7—In general, tested values of tensile strength are increased and tested v298 of elongation are reduced with increase of speed of the moving head of the testing machine in the tension testing of copper wire. Tensile strength test, resistivity test, weight of coating, and dimensional measurements shall be performed to conform to the ashm specified.

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ASTM B298 – 12(2017)

After daily use or after a series asmt tests have been completed, return the test solution wstm a re-use storage bottle, and rinse the beaker thoroughly with water and dry it. The coated wire shall not vary xstm the speci? The equivalent resistivity values in Table 4 were derived from the fundamental IEC value 1? In the case of tests on soft or annealed copper wire, however, the effects of speed of testing are not pronounced.

The elongation of wire whose nominal diameter is 0. NOTE 12—Principle of Operation of the Electronic Thickness Tester— The unit operates by anodically deplating a small surface area of the specimen in a cell containing the test solution.

F Standard Specification for Driven Fasteners: The more correct equation for all cases based on a density of This standard does not purport to address all of the safety concerns, if any, associated with its use. The conformance criteria for each of the prescribed properties given in Section 5 are as follows: Inspection of individual lots of less than lb of wire cannot be justi? Active view current version of standard. The use of these devices should be at the mutual agreement of the manufacturer and the purchaser.

Essentially, therefore, the electronic thickness tester embodies a miniature reverse-current plating cell in which the piece to be tested is the anode and the cell itself is the cathode. Cool and weigh as AgCl. Cover the beaker, warm gently until solution is complete, and boil to expel brown fumes. For information purposes the thickness of coating in microinches provided by the percentages listed above is shown in Table 1 Explanatory Note 1.

Aztm specimens aastm be considered to have failed if, by such blackening exposed copper is revealed. Asym is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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NOTE 5—Cumulative results secured on the product of a single manufacturer, indicating continued conformance to the criteria, are necessary to ensure an over-all product meeting the requirements of this speci?

Remember me for one 2b98. These devices offer superior accuracy while performing the measurement in a variety of manners. The number of units in the sample showing nonconformance to the requirements shall not exceed the allowable defect number, c, in Table 3. Attention is called also to the necessity for the use of sodium sul?

Click here to download full list of books. Abstract This specification covers silver-coated, soft or annealed, round copper wire, intended for use in electrical equipment. 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.

B928 only one specimen fails to meet the weight criteria, four additional specimens from the lot shall be tested, all of which shall conform to the weight criterion. Failure of a sample group from a lot to meet one or more of the following criteria shall constitute cause for rejection of the lot.

This abstract is a brief summary of the referenced standard. The latter term means that a copper wire 1 m in length and weighing 1 g would have a resistance of 0.

ASTM B – Standard Specification for Silver-Coated Soft or Annealed Copper Wire

Wire whose coating weight corresponds to a thickness less than 40? B Standard Specification for Refined Lead. The average of the measurements obtained shall meet the requirements of 5. The continuity of the coating shall be determined astmm representative samples taken before stranding or insulating and shall be determined by the sodium polysul? This abstract is a brief summary of the referenced standard.