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ASTM B998

Standard Guide for Hot Isostatic Pressing (HIP) of Aluminum Alloy Castings

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Organization: ASTM
Publication Date: 1 July 2017
Status: active
Page Count: 4
scope:

This guide presents requirements for hot isostatic pressing (HIP) of aluminum alloy castings. HIPing is a process in which components are subjected to the simultaneous application of heat and high pressure in an inert gas medium. The process is to be used for the reduction of internal (non-surface connected) porosity. The document is to describe the general parameters of the HIP process, describe certification procedures and a description that the process has been followed. It is not intended to be a description of a heat treating procedure. This is not meant to supersede an end user's specification where one exists.2

Units-The values stated in either SI units or inchpound units are to be regarded separately as standard. 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 the standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2 The HIP practice described in this guide is not intended to be substituted for the heat treat requirements for aluminum alloy castings, which are provided in Practice B917/B917M Standard Practice for Heat Treatment of Aluminum-Alloy Castings from All Processes. This standard Guide is not meant to supersede an end user's specification where one exists.

Document History

ASTM B998
July 1, 2017
Standard Guide for Hot Isostatic Pressing (HIP) of Aluminum Alloy Castings
This guide presents requirements for hot isostatic pressing (HIP) of aluminum alloy castings. HIPing is a process in which components are subjected to the simultaneous application of heat and high...

References

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