... Weld, 2.Easy to Cut, 3.Easy to Form, 4.Easy to Machine Steel Square BarHot Rolled Steel Square, is widely used for ... ≤4.0mm/m Cold-rolled≤1.0mm/m Name: HR square, square barApplications: frame work, braces, supports, shafts, axels, etc.Workability: Easy ... to Weld, Cut, Form, and Machine Mechanical Properties: Brinell = 112, Tensile = 58-80 ...