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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Last previous edition A — 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 Rejection and Rehearing The actual cross-sectional area shall be used in calculating the tensile strength.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters.
ASTM A Class B – Landee
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by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. In case of dissatisfaction with the test results, the manufacturer or supplier may make claim for a rehearing.
Class comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
Rejection shall be reported to the manufacturer or supplier promptly and in writing. Tension Test Apparatus A superscript epsilon e indicates an editorial change since the last revision or reapproval.
ASTM A Standard specification for gray iron castings for Valves, Flanges and Pipe fittings
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. This standard has been approved for use by agencies of the Department of Defense. 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.
Workmanship, Finish, and Appearance 6. 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. Should alternative grip-ends be disputed, the threaded grip-ends shall be used. 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.
The load shall be applied at a rate that will produce 0.
Current edition approved Dec. Originally published as A — 29T.
A number in parentheses indicates the year of last reapproval. The values given in parentheses are for information only. Cast Test Classs The certication shall also include the results of all tests performed including chemical analysis.
Complete records of all tests and inspections shall be maintained by the manufacturer and shall be available for review by the purchaser.