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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Notwithstanding the absence of a signature, the organization submitting the certication is responsible for its content. Your comments are invited either for revision of this 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. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

The load shall be applied at a rate that will produce 0. Complete records of all tests and inspections shall be maintained by the manufacturer and shall be available for lcass by the purchaser. Tension Test Apparatus However, the document shall clearly identify the organization submitting the certication and the authorized agent of the manufacturer who certied the test results.

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ASTM – Valve, Material Specifications

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. Cast Test Bars Current edition approved Dec.

This standard has been approved for use by agencies of the Department of Defense. A number in parentheses indicates the year of last reapproval.

ASTM A126 Class B

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 Originally published as A — 29T. Asgm certication shall also include the results of all tests performed including chemical analysis.

Should alternative grip-ends be disputed, the threaded grip-ends shall be used. Last previous edition A — Rejection and Rehearing Alternate Test Bars 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by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. Copyright ASTM Z126 Specication for Gray Iron Castings for Valves, Flanges, and Pipe Fittings1 This standard is issued a1126 the xed designation A ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.


ASTM A Class B – Landee

x126 A superscript epsilon e indicates an editorial change since the last revision or reapproval. Rejection shall be reported to the manufacturer or supplier promptly and in writing. Workmanship, Finish, and Appearance 6.

The actual cross-sectional area shall be used in calculating the tensile strength. 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 values given in parentheses are for zstm only.