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NACE TM0198-2020

NACE TM0198-2020

$23.40

Slow Strain Rate Test Method for Screening Corrosion-Resistant Alloys for Stress Corrosion Cracking in Sour Oilfield Service

Published By Publication Date Number of Pages
NACE 2020-09-18 28
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Full Description

This standard establishes a slow strain rate (SSR) test method for screening corrosion-resistant alloys (CRAs) (i.e., stainless steels and nickel-based alloys) for resistance to stress corrosion cracking (SCC) at elevated temperatures in sour oilfield production environments. The SSR test, which is relatively short in duration, incorporates a slow, dynamic strain applied at a constant extension rate. This results in acceleration of the initiation of cracking in susceptible materials, thereby simulating rather severe conditions.

The standard specifies reagents, test specimen, test equipment, determination of baseline material properties, environmental and mechanical test conditions, test procedure, and analysis and reporting of test results. It is intended for use by used by laboratory investigators for screening CRAs for resistance to SCC in sour oilfield service.

This revision extends the scope of the standard to address the screening of precipitation-hardened nickel-based alloys for resistance to hydrogen induced stress cracking (HISC) using the SSR test method.

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NACE TM0198-2020
$23.40