Tianjin Dalipu Oil Country Tubular Goods Co.,Ltd: Tianjin, China; Main products: Casing Pipe, Oil Tubing, Pup Joint, Coupling, Crossover, Premium Thread Connection, Seamless steel pipe, Linepipe, Thread protector, CRA Tubular, Alloy Tube, Drill Pipe

Home > Products > Coupling > API Standard Coupling

API Standard Coupling

FOB Price

Negotiable / Piece

100 Pieces(Min. Order)

Payment TermsT/T L/C

Request Sample Customized Request Request Free Catalogs

Contact Now

Get lowest price

Product Details

Thickness	0, 15
Section Shape	Round		Outer Diameter	0, 20

Product Description

Product Description:

API standard couplingshall be machined from the coupling blank,and made from the coupling material ,coupling stocks or hot forging.

Standard size:

Standard: API 5CT, API 5B
Steel Grade: J55, K55, L80, N80, C90, C95, T95, P110.
Tubing size: 1.315"-4 1/2"
End finish: Plain end; Non-upset threaded and coupled; External upset threaded and coupled.
Thread: Short round thread; Long round tread; Buttress thread
Application: Tubing is used to extracting petroleum and natural gas from a well.

Item	Outer Diameter		Wall Thickness	Length	Rang 1	Rang 2	Rang 3
Item	D<114.3	D>=114.3	Wall Thickness	Tubing	6.10~7.32	8.53~9.57
Tolerance	±0.79	-0.5%,+1%	+/-12.50%	Casing	4.88~7.62	7.62~10.36	10.36~14.63

Grade	Chemical Compositions (%)
Grade	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	Als
J55,K55	0.34~0.39	0.20~0.35	1.25~1.5	≤0.02	≤0.015	≤0.15	≤0.20	≤0.20			≤0.020
N80	0.34~0.38	0.20~0.35	1.45~1.7	≤0.02	≤0.015	≤0.15				0.11~0.16	≤0.020
L80	0.15~0.22	≤1.00	0.25~1.0	≤0.02	≤0.010	12.0~14.0	≤0.20	≤0.20			≤0.020
P110	0.26~0.35	0.17~0.37	0.40~0.7	≤0.02	≤0.010	0.80~1.10	≤0.20	≤0.20	0.15~0.25	≤0.08	≤0.020

Mechanical Properties
Standard	Grade	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation (%)	Hardness
API SPEC 5CT	J55	≥517	379~552	Check The Table
	K55	≥517	≥655
	N80	≥689	552~758
	L80	≥655	552~655		≤241HB
	P110	≥862	758~965

Package&Delivery

Package	Standard Steel Frame
Delivery	Within 15 Working Days
Shippment	EXW,CFR,CIF By Air, By Sea

Our Services/Warranty

As a professional manufacturer, we provide follow services:

1.Lower price

2.ONE year warranty and life time maintenance

3.In time delivery.

4.High Quality assurance..

Contact:Bonnie Xu

Email:BonneXu@dlpoctg.com

WeChat:13602055205

Skype:BonnieXu22

Tel:+86-13602055205

Contact Us

Tianjin Dalipu Oil Country Tubular Goods Co.,Ltd: Contact nameBonnieXu
Chat Now

*Email
Please enter Your valid email address.
*To

BonnieXu
*Message
Your inquiry content must be between 20 to 5000 characters.
Please enter a correct verification code.

Product Categories

Casing Pipe	Oil Tubing	Coupling	Pup Joint
Crossover	CRA Tubular	Premium Thread Connection	Alloy Tube
Seamless Linepipe	Pipe Fittings	Drill Pipe

API Standard Coupling

You May Like

Product Details

Product Description

Contact Us

Product Categories

New Products

Popular Searches

Recommended Products

Find Similar Products By Category

Product Tags: