Coal Tar Epoxy Coating Ssaw Pipe

we are established in 1994. We can produce sawh ssaw dsaw hfw spiral pipes comply with standards of api 5l.astm a252, astm a139,awwa c200,din2440, bs524, is2062,outside diameter: 219 mm to 3220mm, pipe thickness: 5mm to 26mm (0.236-0.708inch),steel grade:astm a252 gr1,gr2,gr3, ss400, st37,st52,q235b,q345b, api gra, grb, x42, x46, x52, x56, x60, x65, x70.
we have eleven spiral pipe production lines, our annual output is 350,000tons. We can also do many kind of coating of the pipe, such as : varnish coating, epoxy coating, fbe, 2pe(double-layer polyethylene), 3pe(three polyethylene),cement mortar lining. Standard:din30670, din30671, sy/t4013-2002, sy/t0315-97 standards. Galvanized ssaw pipe: gb/t13912-2002.
Best regards
zhangli manager of export