ASTM B249 PDF

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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ASTM B249/B249M – 18a

This standard has been approved for use by agencies of the Department of Defense. The corners, A, will usually be sharp but shall not have rough or projecting edges.

We have no amendments or corrections for this standard. The values stated in each system of units are not exact equivalents; each system is independent of the other.

Table 8—Thickness tolerances for rectangular and square bar applicable to Speci? Combining values from the two systems may result in non-conformance with the standard. One specimen from each piece shall be tested without further treatment, and the other specimen shall be tested after precipitation heat treatment. Over 8 to 12 [ to ] Incl 0. Add to Alert PDF. Within the text the SI values are given in brackets. In the event of conflict between this specification and the individual casting product specifications, the requirements of the casting specification shall take precedence.

In which case, the nature of the facilities needed to satisfy the inspector representing the purchaser that the product is being furnished in accordance astmm the product speci? This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

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ASTM BASTM BM铜和铜合金棒材、型材及锻件_百度文库

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. Need more than one copy? Over 8 to 12 Incl 0.

Requirements for flat wire defined as flat products up to and including 0. As the voice of the U.

The products shall also meet performance requirements when subjected to residual stress, mercurous nitrate, ammonia vapor, and semiguided bend tests. Mill Test Report Table 4—Tolerances for diameter or distance between asrm surfaces of ashm rod and bar applicable to Speci? 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.

Table 3—Diameter tolerances for piston? In rectangular specimens of reduced thickness, the outside or tension surface shall be an as fabricated surface. Work Item s – proposed revisions of this standard. Rejection and Rehearing All tests and the inspection shall be conducted so as not to interfere unnecessarily with the operations of the works.

A superscript epsilon e indicates an editorial change since the ast revision or reapproval. NOTE 3—Blank spaces in the tolerance tables indicate either that the material generally is not available or that no tolerances are established. Workmanship, Ast, and Appearance 7. Table 12—Diameter tolerances for hot-forged rod and bar applicable to Speci?

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Your Alert Profile lists 2b49 documents that will be monitored. To determine compliance with this tolerance, the lengths shall, in case of disagreement, be checked by the following method: Products shall be manufactured by hot working, cold working, or both, and finished by cold working, annealing, or heat treatment and straightening as xstm necessary to meet the properties specified.

Local departure from b429 should be measured with a 1-ft [mm] straightedge and a feeler gage. Alternatively, a lot shall be the product of one cast bar from a single melt charge, or one continuous casting run whose weight does not exceed 40 lbs [20 kg] that has been continuously processed and subject to inspection at one time.

They are subject to minimum length and maximum weight requirements. Packaging and Package Marking NOTE 1—The length tolerances in this table are all plus; if all minus tolerances are desired, use the same values; if tolerances are desired plus and minus, halve the values given.

This specification establishes the general requirements common to wrought copper and copper alloy rods, bars, shapes, and forgings. Within the text the SI values are given in brackets. If the pH value is not speci?