Steel Square Bar 1.Easy to Weld, 2.Easy to Cut, 3.Easy to Form, 4.Easy to Machine Steel Square BarHot Rolled ... Steel Square, is widely used for all general fabrication and repairs ... ≤4.0mm/m Cold-rolled≤1.0mm/m Name: HR square, square barApplications: frame work, braces, supports, shafts, axels, etc.Workability: Easy ...