• July 15, 2019

This standard is issued under the fixed designation A /A M; the number 2 For referenced ASTM standards, visit the ASTM website, , or. See the chemical composition and physical properties of ASTM A Grade 75 [ ], find alternative materials, and connect with suppliers. ASTM-A Standard Specification for Steel Bars, Carbon_材料科学_工程科技_ 专业资料。ASTM A,商品级,碳素钢棒,机械性能规范.

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This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? This a63 is a brief summary of the referenced standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

The test report, if required, shall show yield strength. 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. No further reproductions authorized.

ASTM-A Standard Specification for Steel Bars, Carbon_百度文库

Originally approved in The bars shall also be furnished as rolled and not pickled, blast cleaned, or oiled. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

The minimum ksi MPa requirement does not change. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. This specification covers hot-wrought merchant quality carbon steel bars and bar size shapes produced to mechanical property requirements and intended for noncritical constructional applications. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.


Combining values from the two systems may result in non-conformance with the standard. This standard has been approved for use by agencies of the Department of Defense. However, for material 2 in.

A number in parentheses indicates the year of last reapproval. Link to Active This link will always route to the current Active version of the standard.

The merchant quality bars shall be from visible pipe; however, they may contain pronounced chemical segregation.

This international zstm was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade TBT Committee.

Current edition approved May 1, Machined sides of bend test specimens may have the corners rounded to a radius of not over a66 Approved May 1, For material over 2 in.

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. The specimens shall undergo a tension test to determine tensile strength, yield point and elongation.

Permission rights to photocopy the standard may also be secured from the ASTM website www. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.


The steel shall be made by the open-hearth, basic-oxygen, or electric-furnace process. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. If you feel that your comments have not received a fair hearing you should make q663 views known to the ASTM Committee on Standards, at the address shown below.

ASTM A663 Grade 75 [515]

Historical Version s – view previous versions of standard. The tension specimen may be aged as described in Test Methods and De?

Test specimens for material over 11? Internal porosity, surface seams, and other surface irregularities may be present in this quality. Internal atm, surface seams, and other surface irregularities may be present in this quality. NOTE 1—Special quality hot-wrought carbon steel bars subject to mechanical property requirements are covered in Speci?

Combining values from the two systems may 6a63 in non-conformance with the standard. If test specimens are selected conforming to the dimensions of Fig. The bars shall be available in round, square and hexagonal shapes. The values stated in each system may not be exact equivalents; therefore, each 1 This speci?