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.