... /4”,13-3/8”,16”,18-5/8”,20” Tubing:2-3/8”,2-7/8”,3-1/2”,4 ... Annual production ability:240,000 metric tonsAPIAPI 5CT-1043, API 5L-0699ISOISO9001:2008 Other material or pipes we can also ... supply: Casing Pipe/Oil pipe Seamless As per API-5CT standard/ISO11960 H40\J55\K55\ N801\N80Q\P110LTC/ ... /STC;EUE/NUEFluid Pipe20#,Q295,Q345GB/T8163Seamless-line pipe/API 5L L245,L290,L320,L360,L390,L415GB/T9711.1GB/ ...