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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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Table 11—Width tolerances for rectangular bar applicable to Speci?

It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. The values stated in each system of units are not exact equivalents; each system is independent of the other. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

ASTM B249/B249M – 18a

In which case, the nature of the facilities needed to satisfy the inspector xstm the purchaser that the product is being furnished in accordance with the product speci? To determine compliance with this paragraph, shafting shall, in case of disagreement, be checked by the following method: You may delete a document from your Alert Profile at any time.

A number in parentheses indicates the year of last reapproval. Samples of the rejected product shall be taken in accordance with the product speci? When tolerances are speci? Specimen Preparation NOTE 1—The arc shall not necessarily be tangent at Points A but shall be substantially symmetrical with the axis of the product, and the product shall be commercially free from sharp, rough, or projecting edges. This standard is not included in any packages.


Table 3—Diameter tolerances for piston? Subscription pricing is determined by: Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

ASTM BASTM BM铜和铜合金棒材、型材及锻件_百度文库

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Packaging and Package Marking In rectangular specimens of reduced thickness, the outside or tension surface shall be an as fabricated surface.

If the document is revised or amended, you will be notified by email.

NOTE 3—Blank spaces in the tolerance tables indicate either that the material generally is not available or that no tolerances are established. Table 14—Schedule of lengths speci?

Number of Tests and Retests 9. Rejection and Rehearing This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Mill Test Report Originally published as B — 51 T. The total range of the dial satm at a given point, divided by two, gives the departure from straightness at that point.

Combining values from the two systems may result in non-conformance with the standard. They are usually 10 or aatm ft [ or mm] and subject to established length tolerances.


All tests and the inspection shall be conducted so as not to interfere unnecessarily with the operations of the works. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

Workmanship, Finish, and Appearance 7. Diameter or Distance Between Parallel Surfaces, in.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. When samples are taken during the course of manufacture, sampling of the? The minimum weight of the composite sample shall be g. Dimensions, Mass and Permissible Variations 6. Plastic deformation may work harden a material astmm tend to raise the resistivity, while heating tends to anneal the material with a consequent reduction in resistivity.

The number of samples taken for the determination of composition shall be as follows: 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.

If the pH value is not speci? Full length pieces are usually 10 or 12 ft [ or mm] and subject to established length tolerances. Over 2 to 4 Incl 0. Test results for all specimens shall conform to the product speci?

For hexagonal and octagonal rods cold-drawn to size, corner axtm shall not exceed 1?