... rolled angle iron. 2. Steel grade:Q195-235; Q235B; Q345B (section above 80mm). 3. Standard:GB/T 700-1988 4. Size: 20. hot ... part such as construction joist frame, iron tower, derrick frame and s and so on.Steel grade: Q195-235; Q235B; Q345B (section ... ).Packing: in bundles.Others: we can also provide fabricated angle iron, including fabrication of cutting, welding,drilling, galvanizing, usually for ...