All essential pipe calculations in one place

Complexity becomes simpler here

von-Mises Envelopes

Three equations are available to generate von Mises yield criterion for pipe cross sections

Pipe Stress Equations

Multiple types of different pipe stress equations with visual comparison

Pressure Test Cells

Equations to calculate the strength of various types of cap connections in pressure test cells

Fatigue Analysis Screening

Screening options, using Method A or Method B, determine the need for fatigue analysis

Are you an engineer aiming to expedite your computations for pipe stresses?

This collection of online forms letting you quickly calculate different stresses in pipes and visualize the comparison of results in various loading scenarios.

The collection includes the following calculations:

  • Von Mises Envelopes
  • Lamé Equations
  • Elastic Pipe Stresses
  • Equivalent Stress
  • Yield Design Equations
  • Collapse of Pipe Body
  • Pressure Test Cells
  • Piston Load & Shear
  • Torque calculations
  • Material Data & Fatigue
  • Material de-rating Factors


Group of structural and mechanical engineers made this awesome library for other engineers

We are involved in different projects helping other engineers to improve their confidence.

Do you want to join us and become a contributor? Everyone with a proper education and experience can join us. Drop us a message, write what you are good at, and we assess your candidacy.

These are our areas of expertise, and we anticipate seeing them reflected in your work.

  • Math
  • Physics
  • Coding
  • Numerical Methods

Contributors Locations:

  • Berlin, Germany
  • Stuttgart, Germany
  • Reims, France
  • Zaragoza, Spain
  • Katowice, Poland

The records and standards within our expertise provided below should instill greater trust in our knowledge and experience.

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Frequently Asked Questions

FEA Sevices

Our calculation forms may not be enough to check complex geometries.

For this reason we begin to provide high quality FEA services for our subscribers at low-cost.

Need consultancy in FEA? Message Us. We are experts in:

Linear analysis

2D, 3D, Plane Stress, Plane Stain, Axisymmetric

Non-linear analysis

Bilinear and Multilinear material non-linearity

Fatigue life analysis

Protection Against Failure from Cyclic Loading

Thermal analysis

Material Thermal Expansion Calculations