Find the most up-to-date version of ASTM A at Engineering Find the most up-to-date version of ASTM A/AM at Engineering ASTM A Castings, Iron-Nickel-Chromium and Nickel Alloys, Specially Controlled for Pressure Retaining Parts for Corrosive
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The distinguishing requirements astn this speci? Repair by Welding A number in parentheses indicates the year of last reapproval. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.
Combining values from the two systems may result in nonconformance with this specifi- cation. Selection will depend on design and service conditions, mechanical properties, and corrosion-resistant characteristics.
ASTM A 全文-调研报告-在线文档
If that second casting fails, all remaining castings shall be radiographed in only the rejectable areas found on the? E Reference Radiographs for Heavy-Walled 2 to in. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.
Asrm more than one copy?
This standard is also available to be included in Standards Subscriptions. The choice of manufacturing ashm to be used for producing the alloy castings shall be according to specified metallic contents. Current edition approved March 1, If the casting grade does not require heat treatment, the bar used for the test specimen 5.
ASTM A990/A990M – 18
Initial excavation of defects may be accomplished by any method including air-arc gouging, grinding, or machining; however, all visible traces of the air-arc process shall be removed by grinding or machining.
General Conditions for Delivery requirements prescribed in Table 1. Final cleaning shall be accomplished by blasting with clean nonmetallic media not previously used on steel or iron parts, pickling, machining, or other approved methods approved by the purchaser.
Repair by Welding Class D will be supplied unless otherwise speci? Since these grades possess varying degrees of suitability for service in corrosive environments, it is the responsibility of the purchaser to determine which grade shall be furnished.
Norma ASTM A/AM
Ordering Information shall not be heat treated. Referenced Documents 4 in. Part1 S990 Planning, Performance, and Control. Combining values from the two systems may result in nonconformance with the standard. The cleaning may be accomplished by grinding or by machining followed by solvent washing.
The distinguishing require- ments of this specification are as follows.
If the casting grade does not require heat treatment, the bar used for the test specimen shall not be heat treated. Within the text, the SI units are shown in brackets or parentheses.
Workmanship, Finish, and Appearance Active view current version of standard. Since these grades possess varying degrees of suitability for service in corrosive environments, it is the responsibility of the purchaser to determine which grade shall be furnished. Test results shall conform to the tensile requirements speci? Castings shall be repair aztm and solution heat treated prior to final cleaning by blasting, and shall not be peened, plugged, or impregnated.
Also includes scrapped machinery and fabricated items, chips, and turnings. Tensile Properties purchase order. As the voice of the U. Within the text, the SI units are shown in parentheses. Reference Radiographs for Steel Castings Up to 2 in. 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.