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ASTM G189-2007 Standard Guide for Laboratory Simulation of Corrosion Under Insulation

Standard Number:  ASTM G189-2007
Title:  Standard Guide for Laboratory Simulation of Corrosion Under Insulation
Language:  English
Replacing Standard:  ASTM G189-07

Execute Date:  2007/2/15
Status:  Current
Publisher:  American Society for Testing Material (ASTM)
Price:  
Number of Pages:11P.;A4   

Description:

1.1 This guide covers the simulation of corrosion under insulation (CUI), including both general and localized attack, on insulated specimens cut from pipe sections exposed to a corrosive environment usually at elevated temperature. It describes a CUI exposure apparatus (hereinafter referred to as a CUI-Cell), preparation of specimens, simulation procedures for isothermal or cyclic temperature, or both, and wet/dry conditions, which are parameters that need to be monitored during the simulation and the classification of simulation type.

1.2 The application of this guide is broad and can incorporate a range of materials, environments and conditions that are beyond the scope of a single test method. The apparatus and procedures contained herein are principally directed at establishing acceptable procedures for CUI simulation for the purposes of evaluating the corrosivity of CUI environments on carbon and low alloy pipe steels, and may possibly be applicable to other materials as well. However, the same or similar procedures can also be utilized for the evaluation of (1) CUI on other metals or alloys, (2) anti-corrosive treatments on metal surfaces, and (3) the potential contribution of thermal insulation and its constituents on CUI. The only requirements are that they can be machined, formed or incorporated into the CUI-Cell pipe configuration as described herein.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 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.

  
Cross References:ASTM A106/A106M;ASTM C552;ASTM C871;ASTM D1193;ASTM G12;ASTM G3;ASTM G31;ASTM G15;ASTM G46;ASTM G5;ASTM G59;ASTM G1;ASTM G102  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  649KB
Tile in English:  Standard Guide for Laboratory Simulation of Corrosion Under Insulation

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