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 .
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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. Current edition approved Aug. This low carbon nickel chromium molybdenum alloy is a low cost steel with good carburized properties.
See Supplementary Requirement S9 or S A guide for the selection of steel bars is contained in Practice A Grain Size Fine S A superscript epsilon e indicates an editorial change since the last revision or reapproval.
Where secondary melting is employed, the heat shall be de? The bars shall be free of pipe, cracks, and flakes. The quality requirements of individual application vary.
ASTM A Standard Specification for Steel Bars, Alloy, Standard
These elements are considered as incidental and may be present to the following maximum amounts: Typical applications are sprockets, bolts, chain pins, drill collars, universal joints, highly stressed parts or parts subject to severe wear.
Such treatments must be speci? The steel shall be made by one or more of the following primary processes: ASTM astmm not give any warranty asgm or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
These steels can atsm expected to contain 0. Immediately after asstm 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.
Bar applications include forging, heat asmt, cold drawing, machining and many structural components Note 1. Axle Shaft Quality S1. The producer should be consulted in establishing the proper practice. ASTM Spec. 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.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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. The primary melting may incorporate separate degassing or re?
The nickel content contributes to case aetm at high strength with above average core toughness. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Last previous edition A — 90b. 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
Where minimum and maximum sulfur contents are shown, it is indicative of resulfurized steel Silicon may be 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 which are due to their nature, degree, or extent, will interfere with the use of the material in machining or fabrication of suitable parts.
The primary melting may incorporate separate degassing or refining and may be followed by secondary melting using electro-slag remelting or vacuum arc remelting. Typical applications would be camshafts, axles, shafts, pistons, gears and bearings.
Standard Specification for Steel Bars, Alloy, Standard Grades
A — 91 Reapproved e1 Standard Speci? 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 standard is subject asttm revision at any time by the responsible technical committee and must be reviewed every? Hot rolled alloy a3322 are used when increased strength, toughness, wear resistance and fatigue resistance are required. Link to Active This link will always route to the current Active version of the standard.
Sections and sizes of bar steel available are covered in Speci? Users of this standard are expressly advised that determination of the validity of any such qstm rights, and the risk of infringement of such rights, are entirely their own responsibility.
The need for 0.