Portland Bolt Expands with Acquisition of Vermont-Based Applied Bolting Technology
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Portland Bolt & Manufacturing Company
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A193 Grade B8M Mechanical Properties

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min HBW HRC
B8M Class 1 All 75 30 30 50 223 max 96 (HRB) max
B8M Class 2 Up to 3/4 110 95 15 45 321 max 35 max
7/8 - 1 100 80 20 45
1-1/8 - 1-1/4 95 65 25 45
1-3/8 - 1-1/2 90 50 30 45
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