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

Spring Calculator Professional release – October 2026

Spring Calculator Professional 2026 R2 We’re pleased to announce the second scheduled update for Spring Calculator Professional (SCP) for 2026. This is one of our ...
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Spring Metallurgy: Part 1 | Introduction to Spring Materials

Spring alloys must achieve an exceptional balance of strength, ductility and fatigue resistance. In this first instalment of our Spring Insights Series, we explore the ...
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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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