... service, best price 2.material: Q235B, Q345B, SS400, A992Gr50, S235JRG2, S235JR, S275JR and s355jr steel angle1.equal angle, unequal angle2.Stabdard ... of all kinds of construction and engineering- Construction joist- Iron tower- Derrick frame and so on5.Descriptions- Definition: Angle ... angle.- Unequal angle: The kind one border long and another short is unequal angle.- Its specification is described ...