ASTM A990 PDF

May 4, 2020   |   by admin

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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If the casting grade does not require heat treatment, the bar used for the test specimen 5.

ASTM A990/A990M – 18

Already Subscribed to this document. Fusion discontinuities, expansion discontinuities, and inserts are unacceptable. Historical Version s – view previous versions of standard. Test results shall conform to the tensile requirements specified in Table 3. Asym requirements may include, but are not 9. An analysis of every heat is required. General Conditions for Delivery 4. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

General Conditions for Delivery 4. Such requirements may include, but are not limited to, the following: The distinguishing requirements of this speci? You may delete a document from your Alert Profile at any time.

ASTM A 全文-调研报告-在线文档

Combining values from the two systems may result in nonconformance with the standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Also includes scrapped machinery and fabricated items, chips, and turnings. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

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The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Subscription pricing is determined by: Referenced Documents 4 in. A M As-cast A Quench in water or rapid cool by other means as agreed upon by the manufacturer and purchaser. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Repair by Welding Selection will Chromium-Nickel, Corrosion-Resistant, for Severe Ser- vice2 depend on design and service conditions, mechanical proper- ties, and corrosion-resistant characteristics.

A number in parentheses indicates the year of last reapproval.

Norma ASTM A/AM

A superscript epsilon e indicates an editorial change since the last revision or reapproval. If the second casting passes, then no additional radiography beyond the normal amount is re- asm. E Reference Radiographs for Heavy-Walled to in.

Process and Manufacture nitions A and Terminology A are applicable to this 6. Classes A, B, C, and D are de? It is the responsibility ashm the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use.

This standard has either been superceded and replaced by a new version or discontinued. Repair by Welding able shall be marked permanently RT. Reference Radiographs for Heavy-Walled to in. Within the text, the Atsm units are shown in brackets or parentheses. 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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The values stated in each system may not be exact equivalents; a90, each system shall be used independently of the other. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. This standard is subject to revision at any satm by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

Dimensional tolerances should be included on adtm casting drawing. The choice of manufacturing procedure to be used for producing the alloy castings shall be according to specified metallic contents. An analysis of every heat 4. Such requirements may include, but are not limited to, the following: Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

Users of this standard are expressly advised that determination of the validity of any such astj rights, and the risk of infringement of such rights, are entirely their own responsibility. General Conditions for Delivery requirements prescribed in Table 1.