ASTM A – / ASTM A – for Austenitic Cast Iron provided by Dandong Foundry in China. This is an America standard for the physical properties. Ni-Resist Iron has an austenitic matrix with about 10% alloy carbides. It is suitable for corrosive environments in sour well oils, salts, salt water acids. See the chemical composition and physical properties of ASTM A Grade 1, find alternative materials, and connect with suppliers.

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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. ASTM D e1. This nonmagnetic test is a convenient qualitative test only for Types 1, ast, and 4 and shall not be used as a basis for acceptance.

Your comments are invited either for revision of this standard asgm for additional standards and should be addressed to ASTM International Headquarters. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

In these cases, either of the test specimens shown in Fig. Types 1b, 2b, 3, and 5 may be attracted to a magnet. A superscript epsilon e indicates an editorial change since the last revision or reapproval. The location and orientation of such tension test specimens cut from castings shall be speci? If you feel that your comments have not received a fair asttm you should make your views known to the ASTM Committee on Standards, at the address 4a36 below.

Number of Test The reduced section shall have a gradual taper from the ends toward the center, with the ends 0. If castings are to be heat treated, test aztm shall be included in the same furnace load. Otherwise, the austenite that is supersaturated with respect to carbon may reject carbon during service and produce dimensional changes.


ASTM A Washers Specification | Hardened steel washers -JF Engg

In case no option is expressed, the manufacturer shall make the choice. This standard has been approved for use by agencies of the Department of Defense. The materials shall be manufactured by melting in any furnace that produces castings which includes cupolas, air furnaces, electric furnaces, crucible furnaces, and so forth. This specification covers austenitic gray iron castings that are used primarily for their resistance to heat, corrosion, and wear.

The size of bar cast to represent the casting astk be at the w436 of the purchaser. NOTE 1—Alnico magnets should not be used. Preparation for Delivery Tension Test Specimens The asttm bars shall be cast in open molds made of suitable core sand with a minimum of 11? In the event that nonmagnetic castings are speci?

Austenitic gray iron is characterized by uniformly distributed graphite?

Materials and Manufacture 4. Test Methods E 30 should only be used for analyzing those elements for which speci? This abstract is a brief summary of the referenced standard. The purchaser reserves the right to perform any of the inspections set forth in the speci? A — 84 Reapproved Standard Speci? The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Current edition approved Jan. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Except as otherwise speci? Originally published as A —59 T.


It is informational a4336 and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

ASTM A – 84() Standard Specification for Austenitic Gray Iron Castings

Heat and product analyses shall be performed wherein specimens shall conform to required chemical composition of carbon, silicon, manganese, nickel, copper, chromium, sulfur, and molybdenum. Magnetic Property Requirements 7. The six a463 shall conform to the requirements given in Table 2. Workmanship, Finish, and Appearance 9. Austenitic gray iron is characterized by uniformly distributed graphite flakes, some carbides, and the presence of sufficient alloy content to produce an austenitic structure.

Surfaces of the castings shall be free of burnt-on sand and shall be reasonably smooth. In other respects, the castings shall conform to whatever points may be speci?

ASTM A436 – 1997 / ASTM A439 – 1999 for Austenitic Cast Iron

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Tension tests shall be performed wherein specimens shall conform to required tensile strength and Brinell hardness.

A number in parentheses indicates the year of last reapproval. Waiving of Inspection by Agreement Packing and marking shall also be adequate to ensure acceptance and safe delivery by the carrier for the mode of transportation employed. The castings shall be free of injurious defects.

Drillings are not reliable because of the probable loss of graphite. Responsibility for Inspection

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