Address:28 Chunyuan Rd., Weicheng District, Weifang City, Shandong, China Zip:261011
Categories: Pre-galvanized welded steel pipe product name: Pre-galvanized welded steel pipe clicks: 26 times
description: Specification: Our Pre-galvanized welded steel pipe are using the galvanized steel coil or galvanized sheet as the material after continuous welding to form the pipes, which can be used for fencing and for wire transportation. These kinds of pipes are accurately produced according our company standard of Q/WDF004-2001.We can produce various kinds of round and square and rectangular pre-galvanized steel pipe according to requirement from customer.
Characteristics : The pre-galvanized steel pipe are manufactured by high frequency electric resistance welding method, after removing the outside welding beam then electric painting zinc onto the welding area to antisepticize the surface, when screw threading been asked, we will thread the two ends of pipe according to standard of GB196-81.
We inspected the pre-galvanized steel pipe strictly before delivery including eddy current inspection bending test flatting test, meanwhile checked the outside surface situation to ensure without defaults as overlap or crack. There is no clear distinguish between area where has been electric zinc painted and without zinc paint. The pipe length normally between 4 and 10 meters ,tolerance is between + 10mm.
Size: There are many different sizes of pre-galvanized pipe ,besides we can offer special pipes with various size and thickness.