Steel Square Bar 1.Easy to Weld, 2.Easy to Cut, 3.Easy to Form, 4.Easy to Machine Steel Square BarHot Rolled Steel ... maintenance, agricultural implements, transportation equipment, ornamental work, etc. HR Steel Squares have a slightly grainy finish with radius corners.Specifications ... 112, Tensile = 58-80,000 +/-, Yield = 36,000 +/-Available Stock Sizes: 2ft, 4ft, 6ft, 8ft, 10ft, 20ft or Cut to Size