We provide software, education, testing and membership services to the global spring industry.

Spring Calculator Professional

Spring Calculator Professional (SCP) is the leading spring design software used by hundreds of companies worldwide. SCP has simplified the spring design and validation process helping to highlight potential problems before a spring is even made.

Training from the Spring Experts

Our range of professional online training courses are designed to suit any level of spring knowledge across various topics. Help your staff with their professional development or brush up on your own understanding of springs.

video training on a laptop

We can also help you with…

woman in blue suit jacket
Membership

Membership gives you unlimited access to one-on-one specialist technical support covering all aspects of spring design, materials, and testing.

Spring Testing
Spring Testing

Our custom-built lab is dedicated to static and dynamic spring testing. Handling fatigue testing, load and torque testing, material testing and failure analysis.

Spring manufacturing
Shot Peening

Membership gives you unlimited access to one-on-one specialist technical support covering all aspects of spring design, materials, and testing.

microscope
Failure Analysis

Membership gives you unlimited access to one-on-one specialist technical support covering all aspects of spring design, materials, and testing.

Interesting Reads

Shot Peening – Part 2: Key Design Considerations

Here at IST, we have accumulated over 50 years of experience in shot peening, specifically applied to springs. The aim of this guide is to ...
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Using SEM & EDX to uncover spring failures

The next stage of failure analysis involves examining the fracture surfaces in far greater detail. This is where two advanced techniques — Scanning Electron Microscopy ...
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Spring Calculator Professional new release – April 2026

New Release of Spring Calculator Professional – April 2026 New numbering, new features and more – a run-down on what’s changed As some of you ...
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Shot Peening Springs – Part 1

Here at IST, we have accumulated over 50 years of experience in shot peening, specifically applied to springs. The aim of this guide is to ...
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Failure Analysis Process – Part 3: Metallurgical Analysis

Metallurgical analysis allows us to understand exactly what is happening inside the material  from surface coatings to internal microstructures and ultimately determine why a spring ...
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Various metal springs

Failure Analysis Process – Part 2: Initial Examination

We take a look at how metallurgical analysis allows us to understand whats happening inside the material of a spring.
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