ASTM B188 PDF

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B — 02 Standard Speci? A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.

The SI values given in parentheses are for information only. Current edition approved April 10, Originally published as B — 44 T. Last previous edition B — Limits for unnamed elements may be established and analysis required by agreement between the manufacturer or supplier and purchaser. The requirements are speci? Electrical Resistivity Requirements 8. Mechanical Property Requirements 9. When a machined specimen becomes necessary for any test required under this speci?

Materials and Manufacture 5. Element Copper incl silvermin Phosphorus Oxygen, max. CB CB C A Impurity maximums in ppm of C shall be: B C, C, and C are oxygen-free coppers with the qstm of a speci?

ASTM B188 Grade C11000 H80 pipe (round), tube (round)

The compositions of these alloys are equivalent to C plus the intentional addition of silver. C C, C, C, and C are electrolytic tough-pitch copper with silver additions. Elongation in 2 in. Bend Test Requirements In case of a dispute, a referee method in accordance with Procedure C shall be used. Hydrogen Embrittlement Susceptibility Test The actual performance of this test is not mandatory under the terms of this speci?

The notch depth tolerance shall be Alternatively, when the test is performed using speedinsensitive equipment that can select a maximum imbalance signal, a maximum imbalance signal of 0.

ASTM B188 – 15E1

Product with discontinuities indicated by the testing unit may be reexamined or retested, at the option b18 the manufacturer, to determine whether the discontinuity is cause for rejection.

Signals that are found to have been caused by minor mechanical damage, soil, or moisture shall not be cause for rejection of the product provided the dimensions of the product are still within prescribed limits h188 the product is suitable for its intended application. Dimensions, Weights, and Permissible Variations Nominal or Standard Pipe Size, in.

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Diameter tolerances shall be in accordance with Table 5. The tolerances on distance between parallel surfaces for rectangular and square tube in straight lengths ashm shall be in accordance with Table 7 and Fig. The following tolerances are plus and minus; if tolerances all plus or all minus are desired, double the values given. Percent of the speci?

Rectangular and Square Tubes—The permissible radii for commercially square corners shall be in accordance with Table Asmt requirement is not applicable to tubes in the annealed temper or to tubes whose speci?

Workmanship, Finish, and Appearance It shall be well cleaned and free from dirt. Drillings, millings, and so forth shall be taken qstm approximately equal weight from each of the sample pieces selected in accordance with The minimum weight of the composite sample shall be g.

Conformance shall be determined by the manufacturer by analyzing samples taken at the time the castings are poured or samples taken from the semi? If the manufacturer determines the chemical composition of the material during the course of manufacture, he shall not be required to sample and analyze the? The number of samples taken for determination of chemical composition shall asstm as follows: Distance Between Outside Parallel Surface, in.

A mm Wall Thickness, in. In the case of rectangular tube, the major dimension determines the thickness tolerance applicable to all walls. Number of Tests and Retests The values for the Rockwell hardness number of each specimen shall asm established by taking the arithmetical average of at least three readings.

The results of the tests on both of these specimens shall meet the speci? Failure of more than one specimen to meet the speci?

NOTE 1—The following tolerances are plus and minus; if tolerances all plus or all minus are desired, double the values given.

Dimensions a or b Fig. Nominal dimension b determines tolerance applicable to both b and d. Up to 6 in.

In this case, the test asm conforming to Type No. This surface shall constitute the outer periphery of the bend. Length, ftB m Over 3 0. Pipe and tube, before bending, may be? This surface shall constitute the outer periphery of the bend, which shall be made on a radius equal to that dimension of the machined specimen radial to the bend. B For lengths greater than 10 ft 3. Rejection and Rehearing Rejection should be reported to the manufacturer or the supplier promptly and in writing.

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In case of dissatisfaction with the results of the test, the manufacturer or the supplier may make claim for a rehearing.

Mill Test Report Packing and Package Marking Requirements For nominal or standard pipe-size tubular sections, the bend shall be made on a radius in aztm with the following schedule: This term means that a wire 1 m in length and weighing 1 g b188 have a resistance of 0. This is equivalent to a resistivity value of It is also equivalent, for example, to 1.

The asrm SI unit for force is the newton Nwhich is de? Several sections were modi? ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

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.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

ASTM B – 15E1 – Standard Specification for Seamless Copper Bus Pipe and Tube

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.