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Galvanized Iron (GI) Pipes (Threaded & Unthreaded)

Hi, I’m Ella Ma, the CEO of tytsteel.com. With more than 10 years of experience in OEM/ODM steel pipe, I’d love to share with you the valuable knowledge related to steel products from a Chinese supplier’s perspective. Hope you like this article, and please share it or subscribe to our newsletter.

Table of Contents

Kindly refer table below for the Galvanized Iron pipe classes with all sizes & weight information. Please note Class A, B & C are Threaded, only Class AA is Unthreaded.

Sizemm1520253240506580100125150
ClassIn½”¾”1″1¼”1½”2″2½” 3″4″5″6″
AThickness (mm)2.02.32.62.62.92.93.23.23.6
Outer Diameter (mm)21.425.933.842.548.460.276.088.7113.9
Weight per Lth (kg/6m)5.748.3412.0015.4219.6224.9034.9841.3460.0
 
Size mm1520253240506580100125150
ClassIn½”¾”1″1¼”1½”2″2½”3″4″5″6″
BThickness (mm)2.62.63.23.23.23.63.64.04.55.05.0
Outer Diameter (mm)21.727.234.242.948.860.876.689.5114.9140.6166.1
Weight per Lth (kg/6m)7.329.4214.5818.7821.6630.6039.3051.2475.00102.60121.80
 
Size mm1520253240506580100125150
ClassIn½”¾”1″1¼”1½”2″2½”3″4″5″6″
CThickness (mm)3.23.24.04.04.04.54.55.05.45.45.4
Outer Diameter (mm)21.727.234.242.948.860.876.689.5114.9140.6166.1
Weight per Lth (kg/6m)8.7011.2817.8822.9826.5237.5648.3063.0088.80110.40131.40

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