The carbon steel pipe is perforated by steel ingot or solid round steel and then hot rolled, cold rolled or cold drawn.

Carbon steel pipes are commonly used for mining minerals such as oil and natural gas; drilling engineering: drilling well walls, filter casings, geothermal transportation and various underground drilling, etc., which are widely used in the steel pipe industry and have high utilization rates.

Material	S235, S275, S355, A36, SS400, Q195, Q235, Q345
Certificate	ISO 9001:2008,SGS, BV, CCIC etc
Finish of pipe	Hot dipped galvanized with zinc 220~260g/m2; Pre-Galvanized with zinc 30~150g/m2 Painted with black/varnish lacquer; Oil on the surface to prevent rust; Bare pipe without painting: Epoxy painting/FBE coating/3PE coating
Pipe End	Plain end/ Bevel end; Groove end; Joint with flange; Threaded on two ends
Marking	As per client requirement or mill standard Painting method: Spray paint
Packing	Packed with bundle，or as customer’s requirment
Technology	ERW (high - frequency welded)， Seamless pipe