ASTM A436 PDF

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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The purchaser reserves the right to perform any of the inspections set forth in the speci? Otherwise, the austenite that is supersaturated with respect to carbon may reject carbon during service and produce dimensional changes.

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

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.

Astk standard has been approved for use by agencies of the Department of Defense. Magnetic Property Requirements 7. A — 84 Reapproved Standard Speci? Tension Test Specimens The location and orientation of such tension test specimens cut from castings shall be speci?

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In these cases, either of the test specimens shown in Fig. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. The materials shall undergo a nonmagnetic test which is based on the material’s attraction to a small steel horseshoe-type magnet and a magnetic permeability test in the event that nonmagnetic castings are specified.

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Austenitic gray iron is characterized by uniformly distributed graphite? Surfaces of the a4436 shall be free of burnt-on sand and shall be reasonably smooth. Except as otherwise speci?

Responsibility for Inspection Austenitic gray iron is characterized by uniformly distributed graphite flakes, some carbides, and the presence of sufficient alloy content to produce an austenitic structure. NOTE 1—Alnico magnets should not be used. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

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 test bars shall be cast in open molds made of suitable core sand with a minimum of 11? The size of bar cast to represent the casting shall be at the option of the purchaser.

Where some machining is required, the 3. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? In other respects, the castings shall conform to whatever points may be speci? These include cupolas, air z436, electric furnaces, crucible furnaces, and so forth.

If castings are to be heat treated, test bars shall be included in the same furnace load. In case no option is expressed, the manufacturer shall make the choice.

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

A superscript epsilon e indicates an editorial change since the last revision or reapproval. If any tension test specimen shows obvious defects, another may be cut from the same test bar or from another test bar representing the same metal.

This abstract is a brief summary of the referenced standard. Packing and marking shall also be adequate to ensure acceptance and safe delivery by the carrier for the mode of transportation employed. It shall be an open mold made of suitable core sand with a minimum of 11? The types of castings covered here are: Tension tests shall be performed wherein specimens shall conform to required tensile strength and Brinell hardness.

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. 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. 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.

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