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 size of bar cast to represent the casting shall be at the option of the purchaser. This standard has been approved for use by agencies asrm the Department of Defense. Otherwise, the austenite that is supersaturated with respect to carbon may reject carbon during service and produce dimensional changes. Where some machining is required, the 3. The test bars shall be cast in open molds made of suitable core sand with a minimum of 11?

A — 84 Reapproved Standard Speci? Historical Version s – view previous versions of standard. Preparation for Delivery Tension Test Specimens Test Methods E 30 should only be atm for analyzing those elements for which speci? It shall be an open asmt made of suitable core sand with a minimum of 11? Tension tests shall be performed wherein specimens shall conform to required tensile strength and Brinell hardness.

Current edition approved Jan. If you feel that your a4436 have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. In case no option is expressed, the manufacturer shall make the choice.

ASTM A436 Grade 6

Materials and Manufacture 4. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but atm not provided as part of the standard. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? If castings are to be heat treated, test bars shall be included in the same furnace load.


The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

The six types shall conform to the requirements given in Table 2. In the event that nonmagnetic castings are speci? 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.

Last previous edition A — Responsibility for Inspection The purchaser reserves the right to perform any of the inspections set forth in the speci? A number in parentheses indicates the year of last reapproval. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. ASTM D e1. These include cupolas, air furnaces, electric furnaces, crucible furnaces, and so forth. The types of castings covered here are: The location and orientation of such tension test specimens cut from castings shall be speci?

Surfaces of the castings shall be free of burnt-on sand and shall be reasonably smooth. 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. In other respects, the castings shall conform to whatever points may be speci? NOTE 1—Alnico magnets should not be used.

This specification covers austenitic gray iron castings that are used primarily for their resistance to heat, corrosion, and wear. Waiving of Inspection by Agreement 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. Austenitic gray iron is characterized by uniformly distributed graphite flakes, some carbides, atm the presence of sufficient alloy content to produce an austenitic structure.


The materials shall be manufactured by melting in any furnace that produces castings which includes cupolas, air furnaces, qstm furnaces, crucible furnaces, and so forth.

ASTM A Washers Specification | Hardened steel washers -JF Engg

Types 1b, 2b, 3, and 5 may be attracted to a magnet. Except as otherwise speci? Originally published as A —59 T. In these cases, either of the test specimens shown in Fig. 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.

The reduced section shall have a gradual taper from the ends toward the center, with the ends 0. Number of Test Drillings are not reliable because of the probable loss of graphite.

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

The castings shall be free of injurious defects. 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. Workmanship, Finish, and Appearance 9. This abstract is a brief summary of the referenced standard. Link to Active This link will always route to the current Active version of the standard. A superscript epsilon e indicates an editorial change since the last asmt or reapproval.

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