Acro News

Archive | October, 2015

Raw Material Edges

Standard AISI Types of Edges ● No. 1 Round Edge: Radius approximately equal to 1/2 the thickness. ● No. 2 Mill Edge: Naturally formed hot rolled or cold rolled edge. ● No. 3 Slit Edge: Approximately square edge with slitting burr intact. ● No. 4 Round-Cornered Edge: Rounded edge – may have slitting fracture visible […]

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