Disclaimer

Last updated: July 2026

CalcHub is an engineering aid provided by LM Technologies AS. It is designed to support, not replace, the judgment of a qualified engineer.

Calculations are performed in accordance with API 579-1/ASME FFS-1, as implemented by LM Technologies AS. CalcHub is not affiliated with, endorsed by, or produced by API or ASME. Every assessment result displayed or exported by CalcHub states the specific standard section or equation it was calculated from, so results can be independently checked against the published standard.

You, the user, are responsible for:

• Verifying that all inputs entered into CalcHub are correct and applicable to your equipment.
• Confirming that the assessment level, method, and damage mechanism selected are appropriate.
• Having a qualified engineer review any result before it is used to support an operating, inspection, or repair decision.

LM Technologies AS disclaims all liability, to the extent permitted by applicable law, for decisions made on the basis of CalcHub's output. CalcHub is provided "as is," without warranty of any kind, express or implied, including but not limited to fitness for a particular purpose.

Questions about this disclaimer can be sent to the contact address on our Terms page.