ASTM B/BM Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and. Find the most up-to-date version of ASTM B at Engineering ASTM B/BM Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings. This.
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In rectangular specimens of reduced thickness, the outside or tension surface shall be an as fabricated surface. Preparation for Delivery S4.
All tests and the inspection shall be conducted so as not to interfere unnecessarily with the operations of the works. As the voice of the U. Dimensions, Mass and Permissible Variations 6.
Table asfm of lengths speci? One specimen from each piece shall be tested without further treatment, and the other specimen shall be tested after precipitation heat treatment.
Your Alert Profile lists the documents that will be monitored. If the pH value is not speci? Need more than one copy?
Table 13—Length tolerances for full-length pieces applicable to Speci? Within the text the SI values are given in brackets.
You may delete a document from your Alert Profile at any time. NOTE 3—Blank spaces in the tolerance tables indicate either that the material generally is not available or that no tolerances are established. Table 10—Width tolerances for rectangular bar applicable to Speci? Materials shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional mass, diameter, length, straightness, and edge contoursmechanical tensile strength, Rockwell hardness, elongation, and hydrogen embrittlementelectrical resistivity, chemical composition, and grain size requirements.
When tolerances are speci?
Above the yield strength the movement per minute of the testing machine head under load should not exceed 0. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.
Tolerances, Plus and Minus,A in. They are usually 10 or 12 ft [ or mm] and subject to established length tolerances. The values stated in each system of units are not exact equivalents; each system is independent of the other. Table 5—Tolerances for diameter or distance between parallel surfaces of as-extruded rod and bar applicable to Speci? The purchaser shall have the right to perform any of the inspections or tests set forth when such inspections and tests are deemed necessary to ensure that the material conforms to prescribed requirements.
Over 8 to 12 [ to ] Incl 0. The tolerance on the radius shall be one fourth the thickness of the bar.
Combining values from the two systems may result in nonconformance with the specification. Full length pieces are usually 10 or 12 ft [ or mm] and subject sstm established length tolerances.
Samples of the rejected product shall be taken in accordance with the product speci? Aatm 2 to 4 Incl 0. Materials and Manufacture 4. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. This standard has been approved for use by agencies of the Department of Defense.
ASTM BASTM BM铜和铜合金棒材、型材及锻件_百度文库
Rejection and Rehearing Combining values from the two systems may result in non-conformance with the standard. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.
Current edition approved Oct. Table 14—Schedule of lengths speci?
ASTM B249/B249M – 18a
This specification establishes the general requirements common to wrought copper and copper alloy rods, bars, shapes, and forgings. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided aetm part of the standard.
Packaging and Package Marking The distance from corner to corner12 shall be the basis for acceptance or rejection.