How does the thickness of a steel angle affect its strength and application? A4: The thickness of a steel angle significantly impacts its strength and application. Thicker angles (e.g., 20 mm) can support heavier loads and are suitable for industrial and construction purposes, while thinner angles (e.g., 3 mm) are used in less demanding applications. https://medium.com/@marketingsteel6/ms-tmt-bar-prices-an-in-depth-guide-to-cost-and-purchasing-strategies-b72b9457db5a