... ,7A04,7A09T6120~28010~35Product typealloyAlloy statusSpecification(mm)Executive standarddiameterWall thicknessThin-walled tube1,3,5seriesO,H14,H34,H326~1300.5~5GB/T68932 ... -walled tube1,3,5,8seriesH112,O,F20~1805~40GB/T4437.1GJB23812,6,7seriesH112,T4,T6,O,F20~1805~40GB4437GB/T4437.1GJB2381 Thin walled aluminum tube/pipe ...