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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ASTM – Valve, Material Specifications

The values given in parentheses are for information only. 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 the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

This standard has been approved for use by agencies of the Department of Defense. Workmanship, Finish, and Appearance 6.


Current edition approved Dec. Originally published as A — 29T. Last previous edition Astmm — The load shall be applied at a rate that will produce 0. Cast Test Bars 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.

ASTM – Valve, Material Specifications

The actual cross-sectional area shall be used in calculating the tensile strength. Alternate Test Bars 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 Complete records clas all tests and inspections shall be maintained by the manufacturer and shall be available for review by the purchaser.

Rejection and Rehearing Rejection shall be reported to the manufacturer or supplier promptly and in writing. In case of dissatisfaction with the test results, the manufacturer or supplier may make claim for a rehearing. The certication clazs also include the results of all tests performed including chemical analysis.

ASTM A Class B – Landee

However, the document shall clearly identify the organization submitting the certication and the authorized agent of the manufacturer who certied the test results. Notwithstanding the absence of a signature, the organization submitting the certication is responsible for its content.


Tension Test Apparatus clasx Should alternative grip-ends be disputed, the threaded grip-ends shall be used. 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. This standard is subject to revision at any time by the responsible technical committee and must claws reviewed every ve years and if not revised, either reapproved or withdrawn.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.