pipe seamless material A106 GRB

We are a black steel pipe factory/manufacture. our company mainly produce seamless steel pipes. The pipe seamless material A106 GRB is full stock. We can produce large diameter seamless steel pipe.The size diameter of seamless steel pipe can up to 24 inches. Our factory can produce Sch20,STD, sch40 and sch80 sch160 etc. seamless steel pipes and other sizes and thickness. We can according to ASTM A106，A53， API5L GB etc. to produce seamless pipes.