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  • Sour Service Corrosion Testing

    What could be considered sour service is based on the definitions and guidance provided by industry specifications like NACE MR 0175/ISO 15156 and also on Canadian specification CSA Z 662. In the oil and gas industry, materials exposed to sour service environments may face the risk of corrosion and cracking, and may lead to catastrophic failures. T,C&A Lab's sour service laboratory uses various corrosive gases such as nitrogen dioxide, sulfur dioxide, hydrogen sulfide, and chlorine, and can perform single or multiple gas mixture tests to replicate the highly corrosive conditions found in the oil and gas industry to determine the corrosion resistance of materials.

    Methods and standards we test to

    EFC 16Guidelines on Materials Requirements for Carbon and Low Alloy Steels for H2S-Containing Environments in Oil and Gas Production
    EFC 17Corrosion Resistant Alloys for Oil and Gas Production
    NACE TM0177Laboratory Testing of Metals for Resistance to Sulfide Stress Cracking and Stress Corrosion Cracking in H2S Environments
    NACE TM0284Evaluation of Pipeline and Pressure Vessel Steels for Resistance to Hydrogen-Induced Cracking
    NACE TM0198Slow Strain Rate Test Method for Screening Corrosion-Resistant Alloys (CRAs) for Stress Corrosion Cracking in Sour Oilfield Service
    NACE MR0175 / ISO 15156Petroleum and Natural Gas Industries—Materials for Use in H2S-containing Environments in Oil and Gas Production

    In addition, the experts in our Sour Service Corrosion Testing Laboratory also provide a variety of custom tests as you need. Let's discuss the customized service with our experts for free.

    T,C&A Lab

    T,C&A Lab complies with NACE MR0175 / ISO 15156-3 standards and customer requirements to provide sour service materials consulting and identification services. We have many years of sour service corrosion testing experience, can provide comprehensive analysis, testing and consulting services, and have established long-term relationships with many customers, from international oil and gas companies to flexible tube manufacturers and steel producers.

    Instruments and data

    Sour Service Corrosion Testing
    Sour Service Corrosion Testing
    Sour Service Corrosion Testing


    1. Singh R .Material Selection For Sour Service Environment[J]. Pipeline & Gas Journal, 2010, 237(2):p.50-53.
    2. Gabetta, G.; et al. Test Conditions for Pipeline Materials Selection with High Pressure Sour Gas[J]. International Journal of Corrosion, 2018, 2018:3402692.1-3402692.9.

    Note: this service is for Research Use Only and Not intended for clinical use.


    T,C & A LAB is an independent lab providing quality or custom testing, characterization and analysis of a variety of materials. Our engaged experts are ready to help you.

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