Steel, Pipe and Flange Pro

The ultimate technical utility for petrochemical engineers, designers, and fabricators.

SPF Pro (Steel, Pipe and Flange Pro) provides instant access to common engineering standards' dimensions for easy reference. Streamline your workflow with high-precision diagrams, real-time calculators, and seamless unit switching.

Enjoy a generous free (and completely ad-free) version and upgrade as needed.

Currently included:

Free:
- ASME B16.5-2025 (Pipe Flanges and Flanged Fittings). CL 150, Sizes 1/2" to 6" (Weld Neck, Slip On, Blind with Raised Face and Flat Face).
- ASME B36.10-2022 (Welded and Seamless Wrought Steel Pipe). Sizes 1/4" to 6" with all named Schedules/ Identifications.

Paid Packages:
- ASME B16.5-2025 (Pipe Flanges and Flanged Fittings). Extends the free version to include all pressure classes and sizes (Weld Neck, Slip On, Blind with Raised Face and Flat Face).
- ASME B36.10-2022 (Welded and Seamless Wrought Steel Pipe). Extends the free version to include all sizes from 8" to 48" with all named Schedules/ Identifications.
- ASME B36.19-2022 (Stainless Steel Pipe). All sizes (1/2" to 30") with all Schedules.

Key Features:

Interactive Diagrams: Dynamic, auto-scaling cross-section diagrams with precise dimension callouts.
Engineering Calculators: Integrated Hoop Stress and Wall Thickness calculators supporting thick-wall and thin-wall (Lamé) equations.
Unit Flexibility: Toggle instantly between Metric and Imperial for all dimensions, masses, and pressures.
Bolting Data: Bolt quantities, diameters, and lengths for flanges.
On-the-Go Professionalism: Clean, completely ad-free, fully offline interface designed for the field, the shop, or the office.

No subscriptions, no recurring payments; just one-time purchases on the items you need for your specific project requirements.

Whether you're verifying a bolting pattern in the field or calculating wall stress in the office, SPF Pro delivers the data you need.