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):||13 December 2013|
|PDF File Size:||12.40 Mb|
|ePub File Size:||4.33 Mb|
|Price:||Free* [*Free Regsitration Required]|
These elements are considered as incidental and may be present to the following maximum amounts: Link to Active This link will always route to the current Active version of atm standard.
Within the limits of good manufacturing and inspection practices, the bars shall be free of injurious seams, laps, segregation, or other imperfections which are due to their nature, degree, or extent, will interfere with the use of the material in machining or fabrication of suitable parts.
Hot-wrought alloy steel bars are produced in cut lengths and coils; the manufacturer should be consulted regarding sections and sizes available in coils, produced to a chemical composition. Where secondary melting is employed, the heat shall be de?
ASTM A322 1991 Standard Specification for Steel Bars, Alloy, Standard Grades
Axle Shaft Quality S1. Workmanship, Finish, and Appearance 7.
A guide for the selection of steel bars is contained in Asym A Where minimum and maximum sulfur contents are shown, it is indicative of resulfurized steel Silicon may be speci? This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Historical Version s – view previous versions of standard.
ASTM International takes no position respecting the aatm of any patent rights asserted in connection with any item mentioned in this standard. The steel shall be made by one or more of the following primary processes: ASTM does not give any warranty express or implied or make any representation that axtm contents of this abstract are accurate, complete or up to date.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. The steel shall be furnished as strand cast astn ingot cast. It can be readily nitride for improved surface wear. This low carbon nickel chromium molybdenum alloy is a low cost steel with good carburized properties.
Grain Size Fine S ASTM Spec. The quality requirements of individual application vary. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk 3a22 infringement of such rights, are entirely their own responsibility. Current edition approved Aug.
If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Immediately after hot forming, the bars shall be allowed to cool to a temperature below the critical a32 under suitable conditions to prevent imperfections caused by too rapid cooling.
The bars shall be free of pipe, cracks, and flakes. 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 with the use of the material in machining or fabrication of suitable parts.
Grade compositions correspond zstm the respective AISI compositions. It is informational only and not an official part of the standard; the full astn of the standard itself must be referred to for its use and application. Typical applications are sprockets, bolts, chain pins, drill collars, universal joints, highly stressed parts or parts subject to severe wear.
A superscript epsilon e indicates an editorial change since the last sstm or reapproval. A — 91 Reapproved e1 Standard Speci? Hot-wrought alloy steel bars are produced in cut lengths and coils; the manufacturer should be consulted regarding sections and sizes available in coils, produced to a chemical composition.
B Standard alloy steels can be produced with a lead range of 0. Materials and Manufacture 5. A number in parentheses indicates the year of last reapproval. Where secondary remelting is employed, the heat shall be defined as all of the cast zstm remelted from a single primary heat.
The need for 0. Typical applications would be camshafts, axles, shafts, pistons, gears and bearings. Bar applications include forging, heat treating, cold drawing, machining and many structural components Note 1.
Alloy Hot Rolled Round Steel Bar ASTM A | Wisconsin Steel & Tube
Aircraft Quality or Magna? Originally published as A — 47 T. It is the most widely used carburizing alloy.
Bar applications include forging, heat treating, cold drawing, machining and many structural components Note 1. Sections astj sizes of bar steel available are covered in Speci? The report shall include the name of the manufacturer, ASTM designation and year date and revision letter, if any, type and grade, heat number, and size.
This medium carbon, chromium-molybdenum, through-hardening alloy steel has a good hardenability with high strength and toughness as well as good fatigue and impact resistance after heat treating.
ASTM A322 Grade 4140
Below you will find a comprehensive chart asstm each grade, their applications as well as measurements for each in ROUND shape. For best machining, it is often used in the annealed condition; however, when the amount of machining necessary is minimal or when the risk of distortion in heat treating a finished part is paramount, it is typically used in the quenched and tempered condition.
If the usual titanium additive is not permitted, the steels can atsm expected to contain up to 0. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
Grain Size Coarse S9. Astmm specification covers hot-wrought alloy steel bars. Cold Working Quality S4. This abstract is a brief summary of the referenced standard.