M00004612
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ISO 6761:1981 [ Withdrawn ] Steel tubes -- Preparation of ends of tubes and fittings for welding
standard by International Organization for Standardization, 10/01/1981
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Availability date: 2021-11-25
Specifies the most usual preparation for welding, gives symbols, tabulates thicknesses together with designation, symbols, forms of ends (illustrated by figures), and dimension (degrees and root face width).