... , Material: Q195, Q235, Q345B, SS400 Specification: 20^20~300^300mm equal angle steel bar1. Item:equal angle steel bar2. Standard: GB, ASTM, JIS,3 ... . Material: Q195, Q235, Q345B, SS4004. Specification: 20^20~300^300mm,; Length:6m ... ,14,16±0.6160±2.510,12,14,16±0.6180±2.512,14,16,18±0.6200±2.514±0.65.Application ...