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API L80 Casing Couplings from China Manufacturer

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Address: 2217,Taida South Tower,Yingbin North Road, Cangzhou,Hebei, China

Contact name:Melody C.

City & Province	cangzhou hebei
Categories	Tool Sets

API Casing Couplings:

Couplings are always applicated in casing pipes and oil tubings as a kind of connection.

There are different steel grade for couplings, which are identified by various colors as following:

J55-Green

P110-White

C75-Blue

C90-Brown

N80-Red

Specification
Size (Pipe OD) (in)	4-1/2, 5, 5-1/2, 6-5/8, 7, 7-5/8, 8-5/8, 9-5/8, 10-3/4, 11-3/4, 13-3/8, 16, 18-5/8, 20
Threading	Short Round-Thread Casing (STC) Long Round-Thread Casing (LC) Buttress Thread Casing (BC)
Grade	H-40, J-55, K-55, C-75, L-80, N-80, C-95, AS-95, P-110, L80-13CR

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