Sour-Service Material Class & PSL/PR Selector

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Engineering Tools

Sour-Service Material Class and PSL/PR Selector

Match your well’s H₂S/CO₂ exposure to the correct API 6A material class before you request a quote.

H₂S Present?

Working Pressure

Select your parameters on the left and click calculate to generate API 6A material class specifications.

Configuration Specification

Material Class –

Product Spec Level (PSL) –

Performance Requirement –

Working Pressure –

Reference only, based on API Spec 6A + NACE MR0175 / ISO 15156 class definitions. Confirm your exact H₂S partial pressure and pH against your governing project specification before finalizing an order.

Request a Quote With This Configuration →