Seamless API Steel Pipe1,Website:http://www.sinosteelpipes.com,Specification: ... A333 etc;2, X42, X46, X52, X60, X65, X70 etc;3, JIS STPG42, G3454, G3456 etc;4, Germany ... Description4 1/2" oil casingCasing and Tubing Standard: API 5CT,Carbon Steel4 1/2"CM300MeterLength: R2, R3. ... , T95, ,5" oil casing pipeCasing and Tubing Standard: API 5CT,Carbon Steel5"CM300MeterLength: R2, R3.Application: serves as ...