Threaded Flange Pressure Rating Calculator

ASME B16.5 — A105 Carbon Steel (Group 1.1) | Class 150 to 2500

Input Parameters

Maximum Allowable Working Pressure

—
psi
—
bar

Reference Notes & Disclaimer

Data source: ASME B16.5-2017 Table 2-1.1 (A105 / Group 1.1 materials). Values are interpolated for temperatures between table breakpoints. This tool is for reference only — verify against the current ASME B16.5 edition and your project’s applicable piping code (B31.1, B31.3, etc.) before use.

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