ASTM A322 PDF

May 22, 2020   |   by admin

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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A guide for the selection of steel bars is contained in Practice A Hot-wrought alloy steel bars are produced in cut lengths and coils; the manufacturer should w322 consulted regarding sections and sizes available in coils, produced to a chemical composition.

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Within astk 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.

These elements are considered as incidental and may be present to the following maximum amounts: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as 3a22 of the standard.

ASTM A322 Grade 4140

Historical Version s – view previous versions of standard. Bar applications include forging, heat treating, cold drawing, machining and many structural components Note 1. Typical applications are sprockets, bolts, chain pins, drill collars, universal joints, highly stressed parts or parts subject to severe wear.

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It is informational only and not an official part of the a232 the full text of the standard itself must be referred to for its use and application.

Link to Active This link will always route to the current Active version of the standard. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phoneatsmor service astm. Sections and sizes of bar steel available are covered in Speci? Where secondary melting is employed, the heat shall be de? See Supplementary Requirement S9 or S This standard has been approved for use by agencies of the Department of Defense.

The report shall include the name of the manufacturer, ASTM designation and year date and astmm letter, if any, type and grade, heat number, and size. 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.

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.

The quality requirements of individual application vary. Originally published as A — 47 T. Where minimum and maximum sulfur contents are shown, it is indicative of resulfurized steel Silicon may be speci?

Grain Size Fine S Where secondary remelting is employed, the heat shall be defined as all of the cast product remelted atsm a single primary heat. Workmanship, Finish, and Appearance 7.

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Standard Specification for Steel Bars, Alloy, Standard Grades

The nickel content contributes to case toughness at high strength with above average core toughness. If the usual titanium additive is not permitted, the steels can be expected to contain up ast 0. The bars shall be free of pipe, cracks, and flakes. Such treatments must be speci?

The chromium and molybdenum support the proper formation of carbides resulting in good surface hardness and 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.

It can be readily nitride for improved surface wear.

Alloy Hot Rolled Round Steel Bar ASTM A | Wisconsin Steel & Tube

A number in parentheses indicates the year of last reapproval. 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 standard is subject to revision at any time by the responsible technical committee and must be asgm every? These steels can be expected to contain 0.

The steel shall be furnished as strand cast or ingot cast. Cold Shearing Quality S3.