3 Annual Book of ASTM Standards, Vol TABLE 1 Tensile Requirements Class A Tensile strength, min, ksi (MPa) 21 () Class B ASTM Apdf – Free download as PDF File .pdf), Text File .txt) or read online for free. Class A Class B Class C Tensile strength, min, ksi (MPa) 21 () NO. PART. MATERIAL. ASTM. 1. BODY. CAST IRON. A CLASS B. 2. SEAT RING. BRONZE. B 3. WEDGE FACE RING. BRONZE.

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The actual cross-sectional area shall be used in calculating the tensile strength. The values given in parentheses are for information only. Alternate Test Bars Notwithstanding the absence of a signature, the organization submitting the certication is responsible for its content.

Originally published as A — 29T. 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 qstm responsibility.

ASTM A Standard specification for gray iron castings for Valves, Flanges and Pipe fittings

Rejection and Rehearing However, the document shall clearly identify the organization submitting the certication and the authorized agent of the manufacturer who certied the test results. Should alternative grip-ends be disputed, the threaded grip-ends shall be used.

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Workmanship, Finish, and Appearance 6.

Rejection shall be reported to the manufacturer or supplier promptly and in writing. The load shall be applied at a rate that will produce 0. A number in parentheses indicates the year of last reapproval.

ASTM A126 Class B

In the particular method shown12 refers to December 8, B 1 is the cupola number, and the numeral 1 which follows shows the hour cast 1 p. Your comments will receive careful consideration at a meeting of astmm responsible technical committee, which you may attend.

When the alternate bars are used, they shall be machined and tested in accordance with Specication A 48 and shall meet the requirements of Specication A Your comments are invited either for revision of ast, standard or for additional standards and should be addressed to ASTM Headquarters. In case of dissatisfaction with the test results, the manufacturer or supplier may make claim for a rehearing.

Tension Test Apparatus A superscript epsilon e indicates an editorial change since the last revision or reapproval.

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Current edition approved Dec.

ASTM A Class B – Landee

This standard has been approved for use by agencies of the Department of Defense. Copyright ASTM Standard Specication for Gray Iron Castings for Valves, Flanges, and Pipe Fittings1 This standard is issued under the xed designation A ; the number immediately following aetm designation indicates the year of original adoption or, in the case of revision, the year of last revision.

Complete records of all tests and inspections shall be maintained by the manufacturer and shall be available for review by the purchaser. The certication shall also include the results of all tests performed including chemical analysis.

Cast Test Bars Last previous edition A — This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn.