What are the standard sizes available for angle iron in the market? Answer: Standard sizes for angle iron in the market typically include 25mm x 25mm x 3mm, 40mm x 40mm x 5mm, 50mm x 50mm x 6mm, 75mm x 75mm x 8mm, and 100mm x 100mm x 10mm. These sizes are commonly used in various construction and structural applications. https://medium.com/@marketingsteel6/ms-tmt-bar-prices-an-in-depth-guide-to-cost-and-purchasing-strategies-b72b9457db5a