ASTM A 20 A20M _冶金/矿山/地质_工程科技_专业资料。Designation: A20/ A20M? 13 Standard Speci?cation for General Requirements. ASTM A20/A20M Standard Specification for General Requirements for Steel Plates for Pressure Vessels. standard by ASTM International. ASTM A20/A20M: Standard Specification for General Requirements for Steel Plates for Pressure Vessels.

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To 1, astj 1 to 2, excl 2 to 4, excl 4 to 6, excl? This general requirements speci? Yield strength tests, tension tests, and notch-toughness tests shall be made in accordance to the product specification to conform to the specified requirements.

Size, 10 by 5 mm [J] [27] [24] [20] [16] [14] [11] [11] [8] [8] [7] [5] 13?

A; A; A in thicknesses to 1 in. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Unless otherwise provided in the applicable product speci? Notwithstanding the absence of a signature, the organization submitting the EDI transmission is responsible for the content of the report. NOTE 8—Plates shall be in a horizontal position on a?

NOTE 4—This table and notes cover the tolerances for? Magnetic Particle Examination S9. NOTE 2—Thickness shall be measured 10 to 20 mm from the longitudinal edge. Sampling and methods for chemical analysis are discussed.

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Standard Specification for General Requirements for Steel Plates for Pressure Vessels

Restricted Chemical Requirements S B Applicable to quenched-and-tempered material; for other conditions, maximum carbon equivalent shall be by agreement between purchaser and supplier.

NOTE 1—Such austenitic grain size numbers may a0m achieved with lower contents of austenitic grain re?

A plot of the data is not required. It is, therefore, incumbent on designers and engineers to use sound engineering judgement when using tension test results shown on mill test reports.

The surface of the dies in the area of radius should be smooth. Thickness over 2 in. Size, 10 by 2. The minimum heat analysis and product analysis requirements for silicon do not apply to vacuum carbon-deoxidized steel. NOTE 7—Plates shall in a horizontal position on a? The hightemperature tests shall be made in accordance with the requirements of Practice E If the heattreatment temperatures are not speci?

The results obtained using this second test specimen shall meet the aatm of the applicable product speci? If bend lines are parallel to the direction of? The suggested radii listed in Table X4.

ASTM A 20 A20M _百度文库

It is well known and documented that tensile properties vary within a plate-as-rolled z20m individual piece of steel as a function of chemical composition, processing, testing procedure, and other factors. Historical Version s – view previous versions of standard Translated Version s: Current edition approved Oct. When the longer dimension is from to mm, inclusive, the?

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Acceptable on Edges Cut in Fabrication Depth 5? For drop-weight test, give testing temperature4. Notwithstanding the absence of asrm signature, the organization submitting the report is responsible for the content of the report.

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. If the purchaser wishes to have more con? NOTE 4—The tolerances given in this table apply to plates that have a minimum speci? Mandatory conformance of these additional tests with the speci?

The testing procedures of this general requirements speci? When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized. D By agreement between the purchaser and the supplier, the heat analysis limit for columbium is permitted to be increased to a value not higher that 0.