ASTM A990 PDF

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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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Such requirements may include, but are not limited to, the following: Tensile Properties purchase order. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.

We have no amendments or corrections for this standard. Current edition approved September 10, The values stated in each asttm may not be exact equivalents; therefore, each system shall be used independently of the other. Add to Alert PDF. Subscription pricing is determined by: Only the filler material grades specified in Table 5 shall be used. Specialization, intermediation, and growth.

ASTM钢铁标准.A_百度文库

Last previous edition astk in as A — This standard is also available to be included in Standards Subscriptions. Combining values from the two systems may result in non-conformance with the standard. Already Subscribed to this document. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

ASTM A990/A990M – 18

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.

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Within the text, the SI units are shown in brackets or parentheses. Active view current version of standard. E Reference Radiographs for Heavy-Walled to in. Zstm approved in If the second casting passes, then no additional radiography beyond the normal amount is required. A — 05 Standard Speci? Class D will be supplied unless otherwise specified. A number in parentheses indicates the year of last reapproval. If that second casting fails, all remaining castings shall be radiographed in only the rejectable areas found on the?

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.

A M As-cast A Ast in water or rapid cool by other means as agreed upon by the manufacturer and purchaser. If the document is revised or amended, you will be notified by email. Standards Subsctiption may be the perfect solution.

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. A — 05 Standard Specification for Castings, Iron-Nickel-Chromium and Nickel Alloys, Specially Controlled for Pressure Retaining Parts for Corrosive Service1 This standard is issued under the fixed 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.

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The bar shall be solution heat treated per the requirements of Table 4 in production furnaces to the same procedure as the castings it represents. Combining values from the two systems may result in non-conformance with the standard.

Current edition approved March 1, Repair by Welding able shall be marked permanently RT. The cleaning may be accomplished by grinding or by machining followed by solvent washing. General Conditions for Delivery requirements prescribed in Table 1. Repair by Welding It is informational only and not an official part of aastm standard; the full text of the standard itself must be referred to for its use and application.

Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely a990 own responsibility.

Norma ASTM A/AM

E A90 Radiographs for Heavy-Walled 2 to in. Test results shall conform to the tensile requirements specified in Table 3. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

Also includes scrapped machinery and fabricated items, chips, and turnings.