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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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Austenitic gray iron is characterized by uniformly distributed graphite? Historical Version s – view previous versions of standard. Responsibility for Inspection Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Workmanship, Aatm, and Appearance 9. In these cases, either of the test specimens shown in Fig.

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

In case no option is expressed, the manufacturer shall make the choice. Current edition approved Jan. If aatm tension test specimen shows obvious defects, another may be cut from the same test bar or from another test bar representing the same metal.

Last previous edition A — 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.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. 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 A436 Grade 1

If castings are to be heat treated, test bars shall be included in the same furnace load. A number in parentheses indicates the year of last reapproval. Austenitic gray iron is characterized by uniformly distributed graphite flakes, some carbides, and the presence of sufficient alloy content to produce an austenitic structure. The reduced section shall have a gradual taper from the ends toward the center, with the ends 0.


This standard is subject to revision at any time a463 the responsible technical committee and must be reviewed every? Otherwise, the austenite that is supersaturated with respect to carbon may reject carbon during service and produce dimensional changes.

This standard has been approved for use by agencies of the Department of Defense. 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. Magnetic Property Requirements 7. A — 84 Reapproved Standard Speci?

Tension Test Specimens Preparation for Delivery Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are sstm provided as part aa436 the standard. The six types shall conform to the requirements given in Table 2. The location and orientation of astj tension test specimens cut from castings shall be speci? This specification covers austenitic gray iron castings astj are used primarily for their resistance to heat, corrosion, and wear.

The test bars shall be cast in open molds made of suitable core sand with a minimum of 11? ASTM D e1. These include cupolas, x436 furnaces, electric furnaces, crucible furnaces, and so forth. The size of bar cast to represent the casting shall be at the option of the purchaser.

ASTM A – / ASTM A – for Austenitic Cast Iron

Q436 materials shall be manufactured by melting in any furnace that produces castings which includes cupolas, air furnaces, electric furnaces, crucible furnaces, and so forth. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered xstm.


Types 1b, 2b, 3, and 5 may be attracted to a magnet. Where some machining is required, the 3. This abstract is a brief summary of the referenced standard. Originally published as A —59 T.

In the event that nonmagnetic castings are speci?

Except as otherwise speci? Link to Active This link will always route to the current Active version of the standard.

Drillings are not reliable because of the probable loss of graphite. Tension tests shall be performed wherein specimens shall conform to required tensile strength and Brinell hardness.

It shall be an open mold made of suitable core sand with a minimum of 11? 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.

Surfaces of the castings shall be free of burnt-on sand and shall be reasonably smooth. 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.

Test Methods E 30 should only be used for analyzing those elements for which speci? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. This nonmagnetic test is a convenient qualitative test only for Types 1, 2, and 4 and shall not be used as a basis for acceptance. The castings shall be free of injurious defects. Number of Test The purchaser reserves the right to perform any of the inspections set forth in the speci?