Tuyau d'acier à faible teneur en carbone rade B/X42/X52/X60/X70 L245/L290/S320/L360/L390/L415 tube en acier sans soudure en acier au carbone tube sans soudure en acier au carbone
1.Black varnish painted or oil painted, 2PE.3PE on the surface.
2.Plain,square cut or beveling ene by caps.
3.In hexagon or triangle buddle with steel strips.
4.Other as the customer's requires.