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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Except as otherwise speci? Table 8—Thickness tolerances for rectangular and square bar applicable to Speci? A number in parentheses indicates the year of last reapproval.

Table 6—Diameter tolerances for hot-rolled round rod applicable to Speci?

ASTM BASTM BM铜和铜合金棒材、型材及锻件_百度文库

Combining values from the two systems may result in non-conformance with the standard. The distance from corner to corner12 shall be the basis for acceptance or rejection. Cand B Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Table 5—Tolerances for diameter or distance between parallel surfaces of as-extruded rod and bar applicable to Speci?

Table 3—Diameter tolerances for piston?

atsm Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Expressed to the nearest 1? C and C Forgings and Extrusions.

This abstract is a brief summary of the referenced standard. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

C, C, and C In which case, the nature of the facilities needed to satisfy the inspector representing the purchaser that the product is being zstm in accordance with the product speci? Thickness Tolerances, Plus and Minus,A in.

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This standard is not included in any packages. The products shall also meet performance requirements when subjected to residual stress, mercurous nitrate, ammonia vapor, and semiguided bend tests.

Above the yield strength the movement per minute of the b2499 machine head under load should not exceed 0.

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. Table 13—Length tolerances for full-length pieces applicable to Speci? Diameter or Distance Between Parallel Surfaces, in. In rectangular specimens of reduced thickness, the outside or tension surface shall be an as fabricated asfm.

In the event of conflict between this specification and the individual casting product specifications, the requirements of the casting specification shall take precedence. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

To determine compliance with this tolerance, the lengths shall, in case of disagreement, be checked by the following method: They are subject to minimum length and maximum weight requirements.

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. When the test specimen has been machined, the retained original surface shall constitute the outer periphery of the bend that shall be made on a radius equal to that dimension of the machined radial to the bend.


Over 8 to 12 [ to ] Incl 0. Table 10—Width tolerances for rectangular bar applicable to Speci? When samples are taken during the course of manufacture, sampling of the? Rejection and Rehearing Please first verify your email before subscribing to alerts.

ASTM B249/B249M – 18a

ASTM does not give any warranty express or implied astn make any representation that the contents of this abstract are accurate, complete or up to date. The number of samples taken for the determination of composition shall be as follows: The corners, A, will usually be sharp but shall not have rough or projecting edges.

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

To determine compliance with this paragraph, shafting shall, in case of disagreement, be checked by the following method: Packaging and Package Marking Need more than one copy? Local departure from straightness should be measured with a 1-ft [mm] straightedge and a feeler gage. When tolerances are speci?

We have no amendments or corrections for this standard. Current edition approved Oct. Table 14—Schedule of lengths speci? Dimensions, Mass and Permissible Variations 6.