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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Selection will depend on design and service conditions, mechanical properties, and corrosion-resistant characteristics. Active view current version of standard.
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Originally approved in Originally approved in Link to Active This link will always route to the current Active version of the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Within the text, x990 SI units are shown in brackets or parentheses. Combining values from the two systems may result in nonconformance with the standard.
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A — 05 Standard Speci? A number in parentheses indicates the year of last reapproval. Already Subscribed to this document. Such requirements may include, but are not limited to, the following: Fusion disconti- manufacturer and purchaser.
You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. A superscript epsilon indicates an editorial change since the last revision or reapproval. If the casting grade does not require heat treatment, the bar used for the test specimen shall not be heat treated.
Please first log in with a verified email before subscribing a99 alerts. Last previous edition approved in as A — 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.
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ASTM A 全文-调研报告-在线文档
E Reference Radiographs for Heavy-Walled 2 to in. Only the filler material grades specified in Table 5 shall be used. 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. Within the text, the SI units are shown in brackets or parentheses.
The distinguishing require- ments of this specification are as follows.
ASTM A990/A990M – 18
Each class imposes specific requirements for three different NDE meth- ods. Dimensional tolerances should be included on the casting drawing.
Selection will depend on design and service conditions, mechanical properties, and corrosion-resistant characteristics. Requirements, for Pressure-Containing Parts2 1.
Selection will depend on design and service conditions, mechanical properties, and corrosion-resistant characteristics. Selection will Chromium-Nickel, Corrosion-Resistant, for Severe Ser- vice2 depend on design zstm service conditions, mechanical proper- ties, and corrosion-resistant characteristics.
Final cleaning shall be accomplished by blasting with clean nonmetallic media not adtm used on steel or iron parts, pickling, machining, or other approved methods approved by the purchaser. Castings shall be repair welded and solution heat treated prior to final cleaning by blasting, and shall not be peened, plugged, or impregnated.
This standard is subject to revision at any time by the a90 technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.