ASTM B/BM: Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock. Admiralty Industries is the leading supplier & manufacturer of admiralty brass tubes C We manufacture all orders on demand, metric or imperial sizes to. ASTM B / BM Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock, related specifications: astm b .
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A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval.
ASTM B111 C68700 Tube
This standard has been approved for use by agencies of the Department of Defense. The following coppers and copper alloys are speci? Designations listed in Classi? The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Current edition approved April 1, Originally approved in No further reproductions authorized. However, should subsequent testing by the purchaser establish that the material does not meet these requirements, the material shall be subject to rejection.
Government see the Supplementary Requirements Section. Materials and Manufacture 5. Limits for unnamed elements may be established by agreement between manufacturer or supplier and purchaser.
When all the elements in Table 1 are analyzed, their sum shall be C Impurity maximums in ppm for C shall be: D Oxygen in C shall be 10 ppm max.
E Copper plus sum of named elements shall be F Silicon shall be 0. G When the product is for subsequent welding applications and is so speci? H When the product is for subsequent welding applications, and so speci? C, C, and C shall be supplied in one of the following tempers as speci? C, C, C, C, C, C, and C shall be supplied in any one of the following tempers, one of which shall be speci? C shall be supplied in any one of the following tempers, one of which shall be speci?
C, C, C, C, C, C, C, C, and C be subjected to a stress-relieving thermal treatment subsequent to straightening. Tolerances for roundness and length, and the condition of straightness, for tube so ordered, shall be to the requirements agreed upon between the manufacturer and the purchaser. Grain Size for Annealed Tempers 9.
astm b c tube, astm b, astm b c,astm b c
C and C shall have an average grain size within the limits of 0. These requirements do not apply to tubes of light-drawn H55hard-drawn H80hard-drawn and end-annealed HE80or drawn and stress-relieved tempers HR The expanded tube shall show no cracking or rupture visible to the unaided eye.
When tubes are speci? Residual Stress Test C C C C A B Former light-drawn hard-drawn light-drawn hard-drawn annealed annealed annealed annealed annealed annealed annealed annealed light-drawn annealed light-drawn annealed annealed drawn and stress-relieved drawn and stress-relieved annealed drawn and stress relieved annealed light-drawn Tensile Strength, min ksiA 36 45 40 48 38 40 50 45 50 70 50 38 40 40 45 45 52 72 72 63 81 45 50 Yield Strength,B min ksiA 30 40 35 43 12 12 20 15 19 30 18 12 30 15 35 16 18 50 50 25 58 16 30 Elongation in 2 in.
Wall thicknesses up to 1.
The use of rubber gloves in testing is advisable. The test specimen shall include the? For the purposes of this speci? Tubes may be tested in the?
The purchaser may specify either of the tests in Testing shall follow the procedures of Practice E Tubes causing irrelevant signals because of moisture, soil, and like effects may be reconditioned and retested. Such tubes, when retested to the original test parameters, shall be considered to conform if they do not cause output signals beyond the acceptable limits. Tubes causing irrelevant signals because of visible and identi?
Tubes meeting requirements of either test shall be considered to conform if the tube dimensions are within the prescribed limits, unless otherwise agreed upon between the manufacturer and the purchaser.
The tube need not be tested at a hydrostatic pressure of over psi [7. Tube Outside Diameter, in. Tube Outside Diameter, mm 6. The test method used shall permit easy visual detection of any leakage, such as by having the tube under water or by the pressure differential method. Any evidence of leakage shall be cause for rejection. Tube Wall Thickness, in. Dimensions and Permissible Variations The maximum plus deviation from the speci?
Tube, Outside Diameter, in. Tolerances for annealed tempers shall be as agreed upon between the manufacturer and the purchaser. Wall Thickness, mm Outside Diameter, mm 0. Outside Diameter, mm Wall Thickness, mm 0. Workmanship, Finish and Appearance Number of Tests and Retests Failure to conform shall be cause for rejection.
When the temper is other than annealed, the sample may be annealed prior to testing. Tension test specimen shall be of the full section of the tube and shall conform to the requirements of the section, Specimens for Pipe and Tube, of Test Methods E 8 [or E 8M], unless the limitations of the testing machine preclude the use of such a specimen.
Test specimens conforming to Type No. A Condenser tubes in lengths over ft are not in present demand. Tolerance values for the lengths will be developed as experience dictates. Tolerance values for lengths in wall thicknesses of 0. Drillings, millings, and so forth shall be taken in approximately equal weight from each of the sample pieces selected in accordance with The minimum weight of the composite sample that is to be divided into three equal parts 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 sstm chemical composition shall be as follows: All testing and inspection shall be conducted so as not to interfere unnecessarily with the operation of the works.
Rejection and Rehearing Adtm addition, a written noti? Samples of the rejected product shall be taken in accordance with the product speci?
Mill Test Report Packaging and Package Marking A Reference to Speci? When E01 Committee has astn and published methods for assaying the low-level impurities in copper, the Speci? Above the yield strength the movement per minute of the testing machine head under load should not exceed 0.
Property Chemical composition Rounded Unit for Observed or Calculated Value nearest unit in the last right-hand signi? In such case, the nature of the facilities needed to satisfy the inspector, representing the purchaser, that the product is being furnished in accordance 9 Copyright by ASTM Int’l all rights reserved ; Mon Jul 14 Except as otherwise 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 assure that the material conforms to prescribed requirements. Preparation aetm Delivery S4. Approved April 1, 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?
Copper Alloy Tubes
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