ASTM A322 PDF

ASTM A322 PDF

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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These steels can be expected to contain 0. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

Where minimum and maximum sulfur contents are shown, it is indicative of resulfurized steel Silicon may be speci? This standard has been approved for use by agencies of the Department of Defense.

Current edition approved Aug. This astk covers hot-wrought alloy steel bars.

ASTM A322 Grade 4140

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. It qstm be readily nitride atsm improved surface wear. 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.

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 refining and may be followed by secondary melting using electro-slag remelting or vacuum arc remelting.

The primary melting may incorporate separate degassing or re? 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.

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The chromium and molybdenum support the proper formation of carbides resulting in good surface hardness and wear. ASTM Spec. Cold Shearing Quality S3. 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.

Standard Specification for Steel Bars, Alloy, Standard Grades

A — 91 Reapproved e1 Standard Speci? The quality requirements of individual application vary. The producer should be consulted in establishing the proper practice. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

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. This low carbon nickel chromium molybdenum alloy is a low cost steel with good carburized properties. 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.

The need for 0. If the usual titanium additive is not permitted, the steels can be expected to contain up to 0.

ASTM A – 07 Standard Specification for Steel Bars, Alloy, Standard Grades

Such steels are identi? B Standard alloy steels can be produced with a lead range of 0.

Typical applications are sprockets, bolts, chain pins, drill collars, universal joints, highly stressed parts or parts subject to severe wear. The steel shall be made by one or more of the following primary processes: 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.

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Grade compositions correspond to the respective AISI compositions. Originally published as A — 47 T. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

A number in parentheses indicates the year of last reapproval. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The bars shall be free of pipe, cracks, and flakes. Grain Size Fine S A superscript epsilon e indicates an editorial change since the last revision or reapproval.

Typical applications for hot rolled bar include gears, pinions, shafts, and other applications where it is helpful to have a steel that can be readily machined and carburized to controlled case depths. 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.

Where astmm remelting is employed, the heat shall be defined as all of the cast product remelted from axtm single primary heat. Link to Active This link will always route to the current Active version of the standard.