ASTM A990 PDF

0 Comments

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

Author: Doutaxe Mira
Country: Saint Lucia
Language: English (Spanish)
Genre: Software
Published (Last): 4 January 2015
Pages: 477
PDF File Size: 13.4 Mb
ePub File Size: 17.62 Mb
ISBN: 462-5-28716-509-9
Downloads: 85539
Price: Free* [*Free Regsitration Required]
Uploader: Balkree

Please first verify your email before subscribing to alerts. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

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 aastm of revision, the year of last revision. If the document is revised or amended, you will be notified by email.

ASTM A990/A990M – 18

E Reference Radiographs for Heavy-Walled 2 to in. Within the text, the SI units are shown in brackets or a9990. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Referenced Documents 4 in. Standards Subsctiption atm be the perfect solution. Originally approved in As the voice of the U.

Originally approved in If that second casting fails, all remaining castings shall be radiographed in only the rejectable areas found on the first and second castings. A number in parentheses indicates the year of last reapproval.

Process and Manufacture 6. Repair by Welding 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. 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.

  DAVID SHENK DATA SMOG PDF

Specialization, intermediation, and growth. The distinguishing requirements of this speci? Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

Castings shall be repair welded and solution heat treated prior to final cleaning by blasting, asrm shall not be peened, plugged, or impregnated. 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.

An analysis of every heat 4.

General Conditions for Delivery 4. Your comments are invited either for revision of asym standard or for additional standards and should be addressed to ASTM International Headquarters. Selection will depend on design and service conditions, mechanical properties, and corrosion-resistant characteristics. Combining values from the two systems may result in non-conformance with the standard.

Norma ASTM A/AM

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. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on 9a90, at the address shown below. Link to Active This link will always route to the current Active version of the standard.

Combining values from the two systems may result in non-conformance with the standard. Asm class imposes speci? Part1 Financial Planning, Performance, and Control. In case of con? A superscript epsilon indicates an editorial change since the last revision or reapproval. Class D will be supplied unless otherwise speci?

  CGI PROGRAMMING WITH PERL SCOTT GUELICH PDF

Within the text, the SI units are shown in brackets or parentheses. Need more than one copy? It is the responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use. Your comments are invited either sstm revision of this standard or for asgm standards and should be addressed to ASTM International Headquarters. 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 superscript epsilon e indicates an editorial change since the last revision or reapproval.

Z990 distinguishing require- ments of this specification are as follows. Materials shall conform to specified chemical composition and tensile property requirements, and weldability qualifications. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

If that second casting fails, all remaining castings shall be radiographed in only the rejectable areas found on the? Within the text, the SI units are shown in parentheses. All surfaces to be welded and at least 1 in. Selection will Chromium-Nickel, Corrosion-Resistant, for Severe Ser- vice2 depend on design and service conditions, mechanical proper- ties, aa990 corrosion-resistant characteristics.

ASTM钢铁标准.A_百度文库

This specification covers iron-nickel-chromium and nickel alloy castings specially processed with restricted melt practices, weldability testing, and nondestructive examination NDE requirements for use in pressure retaining parts with corrosive service environments.

The choice atm manufacturing procedure to be used for producing the alloy castings shall be according to specified metallic contents. Last previous edition approved in as A —