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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Sharp corners on edges and on punched or gas cut holes should be removed by chamfering or grinding to a radius.
Current edition approved Oct. NOTE 6—Plates shall be in a horizontal position on a? Historical Version s – view previous versions of standard. Class III is Killed with a speci?
The manufacturer shall report the specimen orientation, test temperature, and absorbed energy for each specimen tested. Flatness Tolerance from Tables A1. When tighter bends are required, the manufacturer should be consulted.
The specimens for testing shall be obtained as required for the room temperature tension tests speci?
NOTE 4—This table and notes cover the tolerances for? Accordingly, the following deductions shall be made from the base elongation requirements in the applicable product speci? The survey data consists of test values obtained from six locations in addition to the locations speci?
Notwithstanding the absence of a asstm, 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?
This abstract is a brief summary of the referenced standard. Notwithstanding the absence of a signature, the organization submitting the report is responsible for the content of the report. All tests except product analysis and inspection shall be made at the place of manufacture prior to shipment, unless otherwise atm
Standard Specification for General Requirements for Steel Plates for Pressure Vessels
The test report shall indicate that the steel was vacuum carbon-deoxidized. The reports shall state whether the plates ast, the test coupons only, or both plates and test coupons were heat treated. NOTE 2—Thickness shall be measured 10 to 20 mm from the longitudinal edge. Size, 10 by 2. In addition, for elements that are listed in Table 1 but are not speci? Other weld metals may be employed that are compatible with the plate being repaired, if so approved by the purchaser.
Such differences are in addition to the effects on mechanical properties caused by differences in a2m analysis and chemical segregation.
ASTM A 20 A20M _百度文库
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Other tests may be performed by agreement between the manufacturer or processor and the purchaser.
Drop-Weight Test for Plates 0. The specimens shall represent the plates in the? It shall be demonstrated that the cooling rate of the tension test specimen is no faster than, and not substantially slower than, that attained by the a220 described in Mandatory conformance asstm such additional tests with the speci? Such weld metals shall be quali? B Permissible variations in length apply also to Universal Mill plates up to mm in width for thicknesses over 50 to 65 mm, incl, except for alloy steel up to 50 mm thick.
Size, 10 by 6. If the necessary tests required by a product speci? These supplementary requirements shall apply only if speci?
C Testing temperature as speci? To 2, excl 2 to 4, excl 4 to 6, excl 6 to 8, excl 8 to 15, incl Variations Over for All Speci? The manufacturer shall afford the inspector all reasonable facilities to be satis? To 6, excl 6 to 10, excl 10 to 12, excl 12 to 20, excl 20 to 25, excl 25 to 50, excl 50 toexcl toexcl toexcl toexcl toexcl toincl TABLE A2.
The provisions of