ROHR2
by SIGMA Ingenieurgesellschaft mbH
Pipe stress and structural analysis system from SIGMA Ingenieurgesellschaft in Unna, Germany, widely used in German-speaking plant engineering. It covers static and dynamic analysis of piping and supporting steel, with optional modules for flanges and substructures.
Specification
- Categories
- Structural & Piping Analysis
- Phase
- EEngineering
- Status
- Active
- Deployment
- Desktop
- Licensing
- Commercial licence
- Standards
- None documented
- Official site
- rohr2.com
Capabilities
- aStatic and dynamic piping and steel structure analysis
- bNozzle analysis (ROHR2nozzle)
- cFlange design to EN 1591-1 and ASME VIII (ROHR2flange)
- dFE analysis of substructures (ROHR2fesu)
- eInterfaces to CAD systems including Revit
Assessment
A respected pipe-stress system with a strong regional following and EN-code strength. A natural fit for German-speaking engineering teams.
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Capability25%8/10
Static and dynamic piping and steel analysis with nozzle, flange and finite-element substructure modules.
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Interoperability20%6/10
Interfaces to CAD systems are documented; breadth varies by system.
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Scale15%6/10
Used on plant projects mainly in German-speaking engineering.
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Usability15%7/10
Practical, engineer-oriented workflows.
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Deployment10%6/10
Desktop software.
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Ecosystem15%5/10
Strong regional base, limited international talent pool.
Strengths
- EN 1591-1 flange design
- Piping and steel in one model
- Optional FE substructures
Considerations
- Regional rather than global ecosystem
- Fewer owner specifications internationally
- Desktop only
Editorial assessment from public documentation, 23 October 2026. Not a hands-on benchmark. Methodology
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Sources
- ROHR2SIGMA Ingenieurgesellschaft · accessed 22 October 2026
Plate updated 23 October 2026 · revision 2