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ISO 3306-1985
Plain end as-welded and sized precision steel tubes -- Technical conditions for delivery
适用范围:This second edition cancels and replaces the first edition (1975). Specifies the technical conditions for tubes. Tabulates the chemical composition (table 2) and mechanical properties (tables 3 and 5) as well as dimensions (table 8) ranging from 6 mm up to and including 160 mm (outside diameter) and tests (tables 6 and 7). For use in hydraulic piping equiment they shall be used only in annealed or normalized condition.
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