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OCTG Casing Couplings with BTC,STC,LTC

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OCTG Casing Couplings with BTC,STC,LTC

Large Image : OCTG Casing Couplings with BTC,STC,LTC

Product Details:

Place of Origin:	China
Brand Name:	Huibo
Certification:	API 5CT,

Payment & Shipping Terms:

Minimum Order Quantity:	100pcs
Packaging Details:	in bundles or in bulk
Delivery Time:	15-25days
Payment Terms:	TT/LC
Supply Ability:	5000MT/MONTH

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Detailed Product Description

Secondary Or Not:	Non-secondary	Application:	Oil Pipe
Technique:	Hot Rolled	Surface Treatment:	Anti-rust Coating
Special Pipe:	API Pipe	Alloy Or Not:	Is Alloy

API Casing Coupling:

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