Casing

External Diameter	Internal Diameter	Thickness	Steel Grade
in	mm	in	mm	mm
4 - 1/2	114.30	4.000	101.60	6.35	J55, K55, L80,P110
5	127	3.920	99.57	7.37	J55, K55, L80,P111
4.408	111.96	7.52	J55, K55, L80,P112
4.276	108.61	9.29	J55, K55, L80,P113
4.126	104.80	11.10	J55, K55, L80,P114

Steel Grade: H40, J55, K55, M65, L80-1, N80-Q, C90, P110, Q125
Standard: API SPEC 5CT
Application: application to the casing pipe into the drills oil and gas well hole
Our company has a professional management team. The core management staffs all have over 20 years\' experience in the steel pipe industry who worked in the well – known iron – steel company in China; they are expert in manufacturing and processing of seamless steel pipe. Our products are widely used in petroleum, chemical, machinery, automobile, pressure vessels, coal chemical industry and natural gas industry.
website:http://www.rtpetro.com/product-service/casing.html