Tel/WhatsAPP：+86-13356647766 | E-mail：stephen_yu10@163.com
OCTG, the full name of Oil CountryTubular Goods, is a special pipe for petroleum production. It refers to a type of steel pipe specially used for oil and natural gas exploitation, most of which are seamless pipes, and welded pipes also account for a considerable proportion, mainly including tubing and casings and drill pipes.
CASING
Standard:API, API 5CT(or GOST）
Grade:API J55-API P110, API J55, API K55, API N80
Thickness:0.205 - 0.875 inch
Section Shape:Round
Outer Diameter:4.5 - 7.625 inch
Place of Origin:China
Application:oil pipe
Technique:ERW
Certification:API
Type:Seamless Steel Pipe
Weld Alternatives:ERW and Seamless
Cassing OD Size Range:
114.3mm-508mm (4 1/2"-20")
Tubing OD Size Range:
60.3mm-114.3mm (2 3/8"-4 1/2")
Cassing Lengths:R1 (4.88mtr-7.62mtr)/R2 (7.63mtr-10.36mtr)/R3 (10.37mtr-14.63mtr)
Tubing Lengths:R1 (4.88mtr-7.62mtr)/R2 7.63mtr-10.36mtr)
Surface Finishes:Bare or regular Mill Coating
Cassing End Finishes:Plain End,BTC,STC,LTC, Buttress Thread,Premium Connection
Tubing End Finishes:NUE T&C,EUE T&C
Heat Treatment:Normalized,Quencher+Temper
Work Time： 24 hours，7 days
