ASTM B298 PDF

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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Take care to avoid abrasion by the cut ends. A portion of the test solution used for testing samples shall aastm be considered to be axtm until it fails to blacken a piece of clean copper as described Explanatory Note b289 In general, solutions may be reused approximately eight or ten times, or until erratic results are obtained, before discarding.

This standard does not purport to address all of the safety concerns, if any, associated with its use. A portion of the HCl solution having a volume of mL shall be considered exhausted if it fails to remove within 15 s the discoloration of the silver due to the polysul? There are thickness testing machines available that can be used to perform this measurement. F Standard Specification for Driven Fasteners: NOTE 13—The equation given for the weight of the silver on the wire is for most purposes sufficiently accurate.

Failure to meet this requirement shall constitute failure to meet the dimensional conformance criterion. The continuity of the coating shall be determined on representative samples taken before stranding bb298 insulating and shall be determined by the sodium polysul? Do not handle that part of the specimen to be immersed in the testsolution.

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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. This standard does not purport to address all of the safety concerns, if any, associated with its use. Link ast Active This link will always route to the current Active version of the standard.

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Each coil shall be gaged at three places, one near each end and one near the middle. The test solution used is speci? A superscript epsilon e indicates an editorial change since the last revision b28 reapproval. Failure of more than one specimen shall constitute failure to meet the weight criteria. The silver-coated wires are classified according to the total weight of the coated wires, namely; Class A, B, C, D, and Asgm.

ASTM B298 – 12(2017)

Make the test solution by diluting a portion of the concentrated solution with distilled water to a speci? The weight of silver, in percent of the total weight of the wire, may be calculated as follows Explanatory Note The coated wire shall not vary from the speci?

However, any individual production unit, b28 specimen from which failed to meet the continuity criteria, shall be rejected. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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ASTM B – 12() Standard Specification for Silver-Coated Soft or Annealed Copper Wire

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? NOTE 9—It is important that the polysul?

From each unit, one test specimen of sufficient length shall be removed for the performance of the required test. Enter your account email asfm to request a password reset: The latter term means that a copper wire 1 m in length and weighing 1 g would have a resistance of 0.

ASTM B – 12() – Standard Specification for Silver-Coated Soft or Annealed Copper Wire

Link to Active This link will always route to the current Active version of the standard. Today, some 12, ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. Originally approved in The anode efficiency is further maintained by providing agitation of the solution in the test cell. The wire shall be bright and free from all imperfections not consistent with the best commercial practice.

General Requirements General Requirements 5.