Designation: A – 91 (Reapproved ) e1 Standard Speciﬁcation for Steel Bars, Alloy, Standard Grades 1 This s. See the chemical composition and physical properties of ASTM A Grade , find alternative materials, and connect with suppliers. Alloy Hot Rolled Round Steel Bar ASTM A Hot rolled alloy bars are used when increased strength, toughness, wear resistance and fatigue resistance are .
|Published (Last):||7 August 2008|
|PDF File Size:||6.2 Mb|
|ePub File Size:||1.86 Mb|
|Price:||Free* [*Free Regsitration Required]|
ASTM Spec. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Workmanship, Finish, and Appearance 7.
Alloy Hot Rolled Round Steel Bar ASTM A | Wisconsin Steel & Tube
These elements are considered as incidental and may be present to the following maximum amounts: Historical Version s – view previous versions of standard.
Such treatments must be speci? Immediately after hot forming, the bars shall be allowed to cool to a temperature below the critical range under suitable conditions to prevent imperfections caused by too rapid cooling.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
ASTM A322 Grade 4140
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Bar applications include forging, heat treating, cold drawing, machining and many structural components Note 1. Where secondary melting is employed, the heat shall be de? This standard has been approved for use by asm of the Department of Defense.
Users of this standard are expressly advised that xstm of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Aircraft Quality or Magna? Sections and sizes of bar steel available are covered in Speci?
It can be readily nitride for improved surface wear. Within the limits of good manufacturing and inspection practices, the bars shall be free of injurious seams, laps, segregation, or other imperfections x322 are due to their nature, degree, or extent, will interfere adtm the use of the material in machining or fabrication of suitable parts.
It is informational only and not an official part of the standard; a232 full text of the standard itself must be referred to for its use and application. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Originally published as A — 47 T. Where minimum and maximum sulfur contents are shown, it is indicative astj resulfurized steel Silicon may be speci? Link to Active This link will always route to the current Active version of the standard.
The quality requirements of individual application vary. This abstract is a brief summary of the referenced standard. Below you will find a comprehensive chart detailing each grade, their applications as well as measurements for each in ROUND shape.
Last previous edition A — 90b. Hot rolled alloy bars are used when increased strength, toughness, wear resistance and fatigue resistance are required.
Within the limits of good manufacturing and inspection practices, the bars shall be free of injurious seams, laps, segregation, or other imperfections which due to their nature, degree, or extent, will interfere aztm the use of the material in machining or fabrication of suitable parts.
The steel shall be furnished as strand cast or ingot cast.
For best machining, it is often used in the annealed condition; however, when the amount of machining astmm is minimal or when xstm risk of distortion in heat treating a finished part is paramount, it is typically used in the quenched and tempered condition.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Where secondary remelting is employed, the heat shall be defined as all of the cast product remelted from a single primary heat. Cold Shearing Quality S3.
ASTM A322 1991 Standard Specification for Steel Bars, Alloy, Standard Grades
The chromium and molybdenum support the proper formation of carbides resulting in good surface hardness and wear. If the usual titanium additive is not permitted, the steels can be expected to contain up to 0. The bars shall be free of pipe, cracks, and flakes.
Current edition approved Aug. Axle Shaft Quality S1. Asmt steel shall be made by one or more of the following primary processes: The need for 0. A guide for the selection of steel bars is contained in Practice A The producer should be consulted in establishing the proper practice. See Supplementary Requirement S9 or S ASTM does not give any warranty adtm or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Aatm Size Fine S Typical applications are sprockets, bolts, chain pins, drill collars, universal joints, highly stressed parts or parts subject to severe wear. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.