Customized Pre-galvanized Welded Tube For Sale

Customized Pre-galvanized Welded Tube For Sale

Product Size Production Line Tianjin Tianyingtai Steel Pipe Co.,Ltd is located in Jinahai,Tianjin,which is professional engaged in steel production,sales,steel processing and export business.We have 10 production lines for varous kinds of steel pipe.We can produce 500,000 tons of various sizes...

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Product Details

Product Size


Round Pipe
Norminal Diameter Size Diameter(mm) WT(mm)



DN15 1/2" 20 0.6-2.2
DN20 3/4" 20 0.6-2.2
    25.4 0.6-2.2
DN25 1" 32 0.6-2.2
    38 1.0-2.2
DN32 1 1/4" 40 1.0-2.2
    42 1.0-2.3
DN40 1 1/2" 47 1.0-2.3
    48 1.0-2.3
DN50 2" 59 1.0-2.3
    60.3 1.0-2.3
DN65 2 1/2" 75 1.0-2.3
DN80 3" 87 1.0-2.3
DN100 4" 113 1.0-2.3



Production Process Flow Chart

The process of steel pipe production is as below.First,we should uncoiling the galvanized steel strip,then carry out cutting& butt welding,then the galvanized steel strip enter the storage box,the machine will make it forming,then welding into steel pipe,then do zinc supplement in welded seam,then water cooling.The square tube should be reforming,then sizing&straightening,then cutting into required length,then marking,then passivation and oiling to prevent the pipe from rusting.Finally,we will packing the pipe and taging,then weight checking and trucking.



Product qualification

We have kinds of certifications,you could see them in first page (about us) of the website.And we have three

stage to control the quality.Firstly,we will buy good quality of raw material,our material is purchase from big

mill.And in the process of production,we will control strictly.Finally,our qualified department will check the quality

before loading.

Hope to build long-term relationship with you!






Wechat/Whatsapp:86 18073263509

Tel:86 18073263509/86 22 68609686

Fax:86 22 68609686

If you have any inquiry,pls feel free to contact me!



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