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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Rejection shall be reported to the manufacturer or supplier promptly and in writing. Users of this standard are expressly a1126 that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
The actual cross-sectional area shall be used in calculating the tensile strength.
The values given in parentheses are for information only. However, the document shall clearly identify the organization submitting the certication and xstm authorized agent of the manufacturer who certied the test results.
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by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn.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.
ASTM – Valve, Material Specifications
The certication shall also include the results of all tests performed including chemical analysis. 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.
Your comments are invited either astmm revision of this standard or for additional a1226 and should be addressed to ASTM Headquarters.
Claxs alternative grip-ends be disputed, the threaded grip-ends shall be used. Originally published as A — 29T. This standard has been approved for use by agencies of the Department of Defense.
ASTM A Standard specification for gray iron castings for Valves, Flanges and Pipe fittings
Complete records of all tests and inspections shall be maintained by the manufacturer and shall be available for review by the purchaser. 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. Tension Test Apparatus Current edition approved Dec. Alternate Test Bars A number in parentheses indicates the year of last reapproval.
ASTM A126 Class B
Workmanship, Finish, and Appearance 6. Last previous edition A — 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.
When the alternate bars are used, they axtm be machined and tested in accordance with Specication A 48 and shall meet the requirements of Specication A Notwithstanding the absence of a signature, the organization submitting the certication is responsible for its content.
Rejection and Rehearing A superscript epsilon e indicates an editorial change since the last revision or reapproval.