Steel Fatigue Design — AISC 360 App 3

About This Reference

Steel fatigue design per AISC 360 Appendix 3. Stress categories, allowable stress ranges, detail categories, and fatigue life calculations.

Consult this reference for design values, tables, and code provisions related to steel fatigue design — aisc 360 app 3.

How to Use This Reference

1. Find the value, table, or provision you need below.
2. Cross-reference it against your project specification, jurisdiction, and governing code edition.
3. Verify critical values against the primary source document before they are used in design.

What to Confirm

• The applicable code edition and any local amendments for your project.
• The material grade, product standard, and units associated with the tabulated value.
• Whether the value shown is informational, tabulated, or derived from a specific design method.
• Whether project-specific documents or manufacturer data govern over generic reference content.

Page last updated: 2026-03-15. All calculations and reference values must be verified by a qualified engineer before use in design.