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However, such analysis is not required and may not cover all metallic Others elements. If you feel that your comments have not asrm a fair hearing you should make your views known to the ASTM Committee b2221-08 Standards, at the address shown below. NOTE 4—It is difficult to obtain a reliable analysis of each of the components of clad materials using material in its?
B When material is found to be unacceptable, it shall be reprocessed additional precipitation heat treatment or re-solution heat treatment, stress relieving, straightening, and precipitation heat treatment, when applicable.
Test specimens may be prepared by machining a? The producer may use his own or any other suitable facilities for the performance of the inspection and test requirements speci? Rod, Bar and Pro? NOTE 2—For rolled or cold-? K Yield strength is not applicable in tube.
A superscript epsilon e indicates an editorial asm since the last revision or reapproval. Wire, Rod, Bar and Pro? All tests are performed in accordance with the appropriate ASTM test methods.
To determine conformance to this speci? M Composition of cladding alloy applied during the course of manufacture.
ASTM B221-08 6061-T6 Aluminum Bar Steel Round Bars / Tubes For Stakes , Tines
E These alloys are also produced in the F temper for which no tensile properties are speci? L Only in tube form. C Elongation of full-section and cut-out sheet-type specimens is measured in 2 in.
ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.
Committee B07 has identi? C For the purpose of determining conformance to these limits, an observed value or a calculated value obtained from analysis shall be rounded to the nearest unit in the last right-hand place of the?
Last previous edition approved in as B — Materials and Manufacture 5. Specimens shall be selected at random and shall be, if possible, a minimum of 2 by 4 in. This standard has been approved for astj by agencies of the Department of Defense.
Should any analysis by the producer or the purchaser establish that an Others element exceeds the limit of Each or that the aggregate of several Others elements exceeds the limit of Total, the material shall be considered nonconforming. M Properties not applicable to extruded tube over 2. Marking for shipment of such material shall be in accordance with Fed. However, should subsequent testing by the purchaser b221-08 that the material does not meet these requirements, the material shall be subject to rejection.
If the chemical composition has been determined during the course of manufacture, analysis of the?
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. For a tube having a diameter larger than can be properly mounted for polishing and examination, the portions of the cross section polished for examination may consist of an arc about 1?
Packaging and Package Marking A reasonably accurate determination of the core composition can be made if the cladding is substantially removed prior to analysis. O H H up through 5.
ASTM B221-08 PDF
B — 05a Standard Speci? The total for other elements does not include zirconium.
Retest and Rejection Tensile Properties of Material from the Producer 8. The purchaser shall have the right to perform any of the inspections and tests set forth in this speci? NOTE 3—It is standard practice in the United States aluminum industry to determine conformance to the chemical composition limits prior to further processing of ingots into wrought products.
X, and so forth A2. Unalloyed aluminum v221-08 a minimum of The producer may analyze samples for trace elements not speci?
I Minimum yield strength for tube, F The aluminum content shall be calculated by subtracting from Elongation of cut-out round specimens is measured in 43 specimen diameter. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Each sample shall be taken from material considered acceptable in accordance with the lot-acceptance criteria of Table 4.
Heat Treatment and Reheat-Treatment Capability