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.
|Published (Last):||20 March 2006|
|PDF File Size:||17.72 Mb|
|ePub File Size:||7.16 Mb|
|Price:||Free* [*Free Regsitration Required]|
The results obtained using this second test specimen shall meet the requirements of the applicable product speci? Inspection and Testing Historic limitations of a plate based upon dimensions thickness, width, and length do not take into account current production and processing capabilities.
Standard Specification for General Requirements for Steel Plates for Pressure Vessels
NOTE 4—This table and these notes cover the? The acceptability of defects revealed by this examination shall be judged in accordance with the requirements for quality in 9. C Full size 10 by 10 mm specimens.
Flatness Tolerances for Speci? Such testing procedures are not intended to de? For transverse tests, the available minimum temperature may be somewhat higher.
In general, such temperatures are higher as the steel thickness increases. Additional Tension Test S4. Each of the three retest specimens shall equal or exceed the speci? Other weld metals may be employed that are compatible with the plate being repaired, if so approved by the purchaser. The axis of the test specimen shall be located midway between the center of thickness and the top or bottom surface of the plate.
For plates produced from coil, see also 3. For such material, if so stated in the applicable product speci?
Class IV is Killed with a speci? This general requirements speci? NOTE 4—This table and these notes cover the variations for? Stainless Chromium Steel-Clad Plate.
a20mm The test coupons shall be taken from the material after decoiling and leveling. Size, 10 by 2. NOTE 5—This table and these notes cover the? Those that are considered suitable for use with a product speci?
The actual test temperature used shall be reported with the test results. Vacuum Carbon-Deoxidized Steel S Notwithstanding the absence of a signature, the organization submitting the EDI transmission is responsible for the content of the report.
NOTE 2—Thickness to be measured at 3? Testing temperature as speci? Permitted variations for other sizes are subject to agreement between the purchaser and the manufacturer or processor, whichever is applicable.
ASTM A 20 A20M _百度文库
The specimens shall represent the plates in the? A plot of the data is not required. Maximum permissible camber, in. The year-date of the speci?
Class V is Killed with a speci? NOTE 7—Plates shall be in horizontal position on a?
Permissible Variations Over Speci? ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. For quenched and tempered plates, one impact test shall be made from each plate, as heat treated. The manufacturer shall report the specimen orientation, test temperature, and absorbed energy for each specimen tested. Combining values from the two systems may result in non-conformance with the standard.
All tests except product analysis and inspection shall be made at the place of manufacture prior to shipment, unless otherwise speci? To 32, a20k 32 to 84, excl 84 toexcl toexcl and over Variations Over Speci?
After selection of the appropriate gage length, the elongation requirement for the alternative gage length shall be deemed not applicable. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.
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 z20 below. Therefore, the requirements of NOTE 3—For thickness measured at any location other than that speci?
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.