OCTGIndex
    Market Indicators
    BILLET$515-1.04%
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    BILLET$515-1.04%
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    1919.HKHKD 11.38-1.01%
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    5411.T¥2162+2.95%
    8053.T¥3788-0.32%
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    BKR$60.35-0.67%
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    BVI.PA€28.79-0.72%
    CLF$12.29-3.61%
    CMC$60.18-1.13%
    DO$14.36+2.57%
    FTI$27.74-0.93%
    GGB$4.28+1.90%
    HAL$31.17-2.59%
    HLAG.DE€142-2.28%
    HP$34.43+1.26%
    ITRK.L£41.10-2.15%
    JINDALSTEL.NS₹928-2.32%
    MAERSK-B.CODKK 11712+1.84%
    MT$25.32-2.63%
    NBR$72.47+0.66%
    NE$37.82-0.47%
    NOV$18.68+0.11%
    NUE$159-3.45%
    PDS$58.52+0.89%
    PKX$66.28-2.53%
    PTEN$9.22-2.97%
    RIG$4.57+1.49%
    RIO$62.45+1.26%
    SABICSAR 82.81+0.99%
    SDRL$42.67+1.59%
    SGSN.SWCHF 88.14-0.97%
    SLB$47.03-2.02%
    SPM.MI€2.18-0.93%
    STLD$165-1.72%
    TATASTEEL.NS₹143-1.59%
    TRMK.MERUB 86.83+2.16%
    TS$32.77+2.42%
    VAL$51.53-0.91%
    VALE$11.82+1.29%
    VK.PA€16.25-1.49%
    VOE.VI€22.40-2.40%
    WFRD$97.74+2.89%
    X$54.84+0.02%

    Hardness Testing

    Verification of material hardness for compliance with sour service and grade requirements.

    Overview

    Hardness testing verifies that heat-treated OCTG meets specified hardness limits, which is critical for sour service grades where maximum hardness is limited to prevent sulfide stress cracking.

    Technical Specifications

    LimitsGrade dependent
    MethodsRockwell, Brinell, Vickers
    LocationsBody, Weld, HAZ
    Nace ComplianceHRC limits critical

    Applications

    Sour service verification
    Heat treatment QC
    Grade compliance
    NACE requirements

    Frequently Asked Questions

    What is Hardness Testing?

    Hardness testing verifies that heat-treated OCTG meets specified hardness limits, which is critical for sour service grades where maximum hardness is limited to prevent sulfide stress cracking.

    What are the applications of Hardness Testing?

    Hardness Testing is commonly used for: Sour service verification, Heat treatment QC, Grade compliance, NACE requirements.

    What API standard applies to Hardness Testing?

    Hardness Testing is manufactured according to API 5CT specifications.

    Manufacturers

    No manufacturers linked yet.