Quality critical fully traceable bolting for the subsea industry

Your industry is subject to harsh environmental conditions, demanding fasteners that are both fully traceable and documented for manufacturing processes with additional stringent testing that must often conform to your specifications.

For more than 50 years LoneStar has been manufacturing subsea critical bolting in accordance with the leading global providers of subsea technologies.

In order to stand out from our competition, we manufacture batch coded fasteners to 3.1 certification as standard and offer additional testing to your requirements to ensure full traceability and the highest quality.

Testing on Raw Material Testing on Finished Material
Positive Material Identification Surface Discontinuity
Ultrasonic Ultrasonic
Magnetic Particle Inspection Magnetic Particle Inspection
Micro Hardness Micro Hardness
Macro Hardness Macro Hardness
Cross Sectional Hardness Cross Sectional Hardness
Grain Size Grain Size
Chemical Verification Decarburisation
Mechanical Verification

Crucially, LoneStar can prove full traceability from raw material through to finished components. In addition to 3.1 certification, LoneStar is also happy to welcome third party witnesses to allow for 3.2 certification as well as welcoming customers on site to ensure our products conform to your inspection testing plans.

LoneStar has specialist laboratories located at our sites all over the world so that all inspection and testing can be carried out in house, with our UK based laboratory currently working towards ISO/IEC 17025 for the competence of testing and calibration.

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