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ASTM D A number in parentheses indicates the year of last reapproval. A superscript epsilon? Title of Speci? Combining values from the two systems may result in non-conformance with the standard. Referenced Documents 2. In the case of con?
Within the text, the SI units are shown in brackets. The values stated in each 1 This speci? Current edition approved Oct. Published November Originally approved in DOI: Terminology 3. Manufacture 4. Ordering Information 5. Such requirements to be considered include, but are not limited to, the following: 5.
Chemical Composition 6. If secondary melting processes are employed, the heat analysis shall be obtained from one remelted ingot or the product of one remelted ingot of each 7 Available from American Society for Nondestructive Testing ASNT , P.
Box , Arlingate Ln. The last approved version of this historical standard is referenced on www. The chemical composition thus determined, or that determined from a product analysis made by the tubular product manufacturer, shall conform to the requirements speci?
For this requirement, a grade is de? Tensile Properties 7. Standard Mass per Unit Length 8. The actual mean wall is de? Permitted Variations in Outside Diameter Thin-wall tubes are de?
However, for thin wall tubes the difference in extreme outside diameter readings ovality in any one cross section shall not exceed the following ovality allowances: 3 8.
Permitted Variations in Wall Thickness 9. They apply to cut lengths up to and including 24 ft [7. For lengths greater than 24 ft [7. A Except as provided in These permitted variations in outside diameter apply to hot? Straightness and Finish They shall have a workmanlike? It is permitted to remove surface imperfections by grinding, provided that a smooth curved surface is maintained, and the wall thickness is not decreased to less than that permitted by this or the product speci?
The outside diameter at the point of grinding may be reduced by the amount so removed. Repair by Welding Defects shall be thoroughly chipped or ground out before welding and each repaired length shall be reheat treated or stress relieved as required by the applicable speci? Each length of repaired tube shall be examined by a nondestructive test as required by the product speci?
Retests Reheat Treatment Not more than two reheat treatments shall be permitted. Test Specimens For such tubes, the maximum and minimum outside diameter at any cross section shall not deviate from the nominal diameter by more than However, the mean diameter at that cross section must still be within the given permitted variation given in Table 3.
In the event of con? NOTE 2—Very thin wall tubing may not be stiff enough for the outside diameter to be accurately measured with a point contact method, such as with the use of a micrometer or caliper. When very thin walls are speci? On larger diameters, measurement is commonly performed with a pi tape. Other methods, such as optical methods, may also be considered. Permitted Variations in Length They shall be smooth on the ends and free of burrs and?
Method of Mechanical Testing When using small or subsize specimens, the largest one possible shall be used. Flattening Test During the? There shall be no evidence of cracks or lack of penetration or overlaps resulting from? Reverse Bend Test The sample shall then be opened and bent around a mandrel with a maximum thickness of four times the wall thickness, with the mandrel parallel to the weld and against the original outside surface of the tube. The weld shall be at the point of maximum bend.
There shall be no evidence of cracks or of overlaps resulting from the reduction in thickness of the weld area by cold working. When the geometry or size of the tubing make it difficult to test the sample as a single piece, the sample may be sectioned into smaller pieces provided a minimum of 4 in.
Under these conditions, the reverse? Flaring Test Flange Test The width of the? For the austenitic grades, the width of the? Hardness Test During the second step, which is a test for soundness, the? Evidence of laminated or unsound material, or of incomplete weld that is revealed during the entire? Reverse Flattening Test This test shall be made so that the distance from the center of the impression to the edge of the specimen is at least 2.
Nondestructive Examination Upon agreement, Practice E shall be employed in addition to one of the full periphery tests. The range of tube sizes that may be examined by each method shall be subject to the limitations in the scope of that practice. In case of con? For several reasons, including shape, orientation, width, and so forth, the correlation between the signal produced in the electric test from an imperfection and from calibration standards is only approximate.
A purchaser interested in ascertaining the nature type, size, location, and orientation of discontinuities that can be detected in the speci?
The examination may not detect circumferentially oriented imperfections or short, deep defects. Practices E and E contain additional information regarding the capabilities and limitations of eddy-current examination. The provisions of this speci? It should be recognized that different techniques should be employed to detect differently oriented imperfections.
This test has the capability of? This test may not detect very tight, through-the-wall defects or defects that extend an appreciable distance into the wall without complete penetration. This requirement does not preclude additional testing at earlier stages in the processing. The methods used for cleaning and preparing the surfaces for examination shall not be detrimental to the base metal or the surface? Other nondestructive tests may be applied to the end areas, subject to agreement between the purchaser and the manufacturer.
The holes shall be drilled radially and completely through the tube wall, with care being taken to avoid distortion of the tube while drilling. The holes shall not be larger than 0.
For welded tubing, if the weld is visible, one of the multiple holes or the single hole shall be drilled in the weld. Said notch shall have a depth not exceeding The length of the notch shall be compatible with the testing method. The depth of the notches shall not exceed The width of the notch shall not exceed two times the depth. For welded tubing, the notches shall be placed in the weld, if the weld is visible.
Notch depth shall not exceed Notch length shall not exceed 1 in.
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A number in parentheses indicates the year of last reapproval. Combining values unless otherwise specified in an individual specification, shall from the two systems may result in non-conformance with the apply to the ASTM product specifications noted below. Alloy, for General Industrial Use 1. Published November
Historical Version s - view previous versions of standard. More A This specification covers general requirements for ferritic alloy steel, austenitic alloy steel, and stainless steel tubes. The steel shall made by any process. The material shall conform to the tensile property requirements prescribed in the individual product specification. Yield strength tests and elongation tests shall be made to conform to the requirements. Flattening test, reverse flattening test, reverse bend test, flaring test, flange test, hardness test, ultrasonic test, eddy current test, flux leakage test, and hydrostatic test shall be made to conform to the requirements specified.