1.單槽圓管外徑尺寸 槽寬ⅹ槽深 壁厚
               38.1mm 16ⅹ25.4mm 1.2mm
               38.1mm 15ⅹ15mm 1.0~1.5mm

42.4mm 20ⅹ20mm 1.5mm
               42.4mm 24ⅹ24mm 1.5mm
               48.3mm 27ⅹ30mm 1.5mm
               50.8mm 15ⅹ15mm 1.2﹏2.0mm
               50.8mm 20ⅹ20mm 1.2﹏2.0mm

50.8mm 19ⅹ38.1mm 1.2mm
               60.3mm 34ⅹ34mm 1.5mm
               63.5mm 20ⅹ20mm 1.2﹏2.0mm
               63.5mm 19ⅹ38.1mm 1.2mm
               76.2mm 25ⅹ25mm 1.2﹏2.0mm

              
            2.雙槽圓管外徑尺寸
               50.8mm 15ⅹ15mm 1.2﹏1.5mm
               76.2mm 25ⅹ25mm 1.5﹏2.0mm

            3.單槽橢圓管外徑尺寸
               110ⅹ40mm 24ⅹ24mm 1.2﹏2.0mm

87ⅹ65mm 24ⅹ28mm 1.2﹏2.0mm

80ⅹ40mm 24ⅹ24mm 1.2﹏2.0mm

80ⅹ37.7mm 33ⅹ26mm 1.5mm

            4.單槽矩管外徑尺寸

75ⅹ45mm 24ⅹ28mm  1.2﹏1.5mm
               60ⅹ40mm 24ⅹ24mm  1.2﹏1.5mm

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