British Standards

Directional SN curves.
Weld classification logic.
Stress reversal and thickness adjustments.
Full automation with project-specific material and environment settings.

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Why Choose SDC Verifier for BS 7608 Fatigue Assessment

open benchmarks to verify design

Automated SN-Curve Checks

Apply directional SN curves, thickness factors, and stress reversals with zero manual lookup.

Reliable Material Handling

Integrates yield and tensile strength data directly into fatigue calculations.

Weld-Aware Classification

Assigns fatigue classes based on weld orientation and intersection logic (Clause 12.2).

Easy Setup, Detailed Results

Run fatigue checks in minutes and generate complete verification reports with geometry, stress, and environment inputs.

About Standard

BS 7608:2014 + A1:2015 – Fatigue Design and Assessment of Steel Structures

BS 7608 provides a comprehensive framework for assessing the fatigue life of welded and non-welded steel components. By using SN curves and directional classifications, the standard enables accurate evaluation of fatigue performance under cyclic loading.

It is widely adopted across structural applications in offshore, mechanical, and civil engineering, offering engineers a trusted reference to ensure structural integrity over time. The standard considers weld type, orientation, thickness effects, stress reversals, and environmental factors — delivering fatigue assessment based on real-world conditions.

Run Fatigue Checks with Confidence

Automate BS 7608 fatigue assessments directly in your FEA workflow.
Detect critical weld zones, apply SN curves, and validate fatigue life in a few clicks.

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List of Ready to Use Standards

BS 7608 Fatigue (2014)
2014

#British Standards Institution

Industries
- Machinery Equipment
- Offshore and Maritime
- Oil and Gas
Types of Analyses
- Fatigue Check

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Automate SN-curve-based fatigue checks and eliminate manual calculations.

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Frequently Asked Questions

What is BS 7608 used for?

BS 7608 provides a methodology for fatigue assessment in steel structures using stress-based SN curves. It helps engineers predict fatigue life and ensure structural integrity under cyclic loading.

Does SDC Verifier support directional SN curves?

Yes. SN curves are applied directionally—parallel and perpendicular to the weld—with automatic handling of weld intersections using the most conservative class.

Can I use hot spot stress results for fatigue checks?

Absolutely. SDC Verifier supports both weld finder and weld stress tools to extract hot spot stress values for fatigue evaluation.

How is the environment considered in fatigue calculations?

By default, the environment is set to air (Clause 1.5), but you can modify this setting in SDC Verifier to account for different operational environments.

Are butt weld thickness adjustments included?

Yes. If the “Is Butt Weld” flag is enabled, the software applies thickness factors as outlined in Clause 16.3.2 using formulas 6 and 7.

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