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        Metals>>Aluminium Alloy>>Aluminum Alloy Tube

        1. Medium and small size extruded or Cold draw

        Variety

        Alloy

        Temper

        Sizemm

        Adopted Standard

        Diameter

        Wall thickness

        Thin-wall pipe

        1x3x5x series

        OH14H34H32

        6~130

        0.5~5

        GB/T6893

        2x6x7x series

        OT4T6

        6~130

        0.5~5

        GB/T6893

        Thick-wall tube

        1x3x5x8x series

        H112OF

        20~180

        5~40

        GB/T4437.1
        BS1474,1471

        2x6x7x series

        H112T4T6OF

        20~180

        5~40

        GB4437
        BS1474,1471 ASTM B221

        2. Large Size Extruded

        Variety

        Alloy

        Temper

        Sizemm

        Adopted Standard

        Diameter

        Wall thickness

        Tube

        1x series5A025A035A055A063A212A112A126A027A047A09

        H112

        120~400

        10~40

        GB4437

        BS1474

        ASTM B221

        2A112A126A025A06

        O

        120~280

        10~35

        2A112A126A02

        T4

        120~280

        10~35

        6A027A047A09

        T6

        120~280

        10~35

         
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