Product Description

Tubing
API 5CT oil tubing 
one) API Spec 5CT. 
2) J55, K55, N80, L80, P110 
3) NUE&EUE 
four) ISO 9001 good quality system ` `
API Tubing and its coupling made and checked in the firm are in full accordance with API Spec 5CT.In the indicate time, the product was approved to use API Spec 5 CT monogram.
The kinds of the tubing made in the company are as follows: 2 3/8in, 2 7/8in and 3 1/2in NU and EU tubing of J55, K55,N80 ,L80 and P110 metal grade. Following upsetting, the tubing endures full-size warmth treatments. The warmth treatment procedure is controlled by computers. Tubing manufacturing capability is 100,000 ton for every year and the upsetting and heat therapy capability is800,000 ton for every yr.
With a ideal management program for tubing top quality, the company got ISO9001 quality method certificate from Classification Modern society of China and got ISO9001 top quality system certification from API.Tubing and its coupling is 1 of principal goods to be lined with the top quality system. In the imply time, the item was also authorized to use API Spec 5 CT monogram. The product is stable and reliable in quality, characteristic data are in accordance with the requirement of API Spec 5 CT specification for Casing and Tubing and API Std.5B Specification for Machining, Measurement.
Specialized specitications

Metal grade Min. Yield Energy
(MPa)
Max.
Produce Power
(MPa)
Min.Tensile Energy
(MPa)
Size (in) Connect Toughness
(N)
OptimumMakeup Torque(N.m) Min.
Makeup Torque (N.m)
Max.
Makeup Torque
(N.m)
J55 379 552 517 2-3/8 NU 225715 990 740 1240
EUE 319008 1750 1310 2190
2-7/eight NU 323012 1420 1070 1780
EUE 443585 2230 1670 2790
3-1/2 NU 486742 2571 1500 2510
EUE 634011 3090 2320 3860
N80 552 758 689 2-3/8 NU 319897 1380 1040 1730
EUE 464052 2450 1830 3060
2-7/8 NU 469836 1990 1490 2490
EUE 645134 3210 2340 3900
3-1/two NU 707868 2810 2110 3510
EUE 921874 4330 3250 5420
P110 758 965 862 2-3/8 NU 44571 1740 1300 2170
EUE 638016 3080 2310 3850
2-7/eight NU 646571 2510 1880 3140
EUE 887170 3940 2960 4930
3-1/two NU 973484 3550 2670 4440
EUE 1268571 5490 4120 6860

FAQ

Q1:How about thequality?
A:Third social gathering inspections are always welcomed. Like BV, SGS etc.
Q2: How extended is the delivery time?
A: Normally about 5-10 times if the products in stock. Or will be fifteen-20 times if the merchandise are not in stock. And also
according to the quantity.
Q3:Do you offer samples? Cost-free or not?
A: Indeed, we could offer you the sample for cost-free but do not spend the price of freight.
Q4:May possibly I customise the metal pipe?
A:Positive you can, we can create according to your necessity, you can send the CAD or
design drawing.
Q5:Any worth-added Services?
A:Fottunately for you,we are really experience in this sector. We have geared up our warehouse with the requirements
to perform in-house painting,coating,pipe cutting, and many others.
Q6: How about the trade terms?
A: EXW, FOB, CFR, CIF, LC will be approved.
 

US $490-900
/ Ton
|
1 Ton

(Min. Order)

###

Temperature Classification: Medium Temperature Piping
MPa Classfication: Medium Pressure Piping
Material: Carbon Steel
Standard: ASTM, GB, API, DIN, JIS
Diameter: 76mm-406mm
Medium: Liquid

###

Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

###

Steel grade Min. Yield Strength
(MPa)
Max.
Yield Strength
(MPa)
Min.Tensile Strength
(MPa)
Size (in) Connect Strength
(N)
OptimumMakeup Torque(N.m) Min.
Makeup Torque (N.m)
Max.
Makeup Torque
(N.m)
J55 379 552 517 2-3/8 NU 220235 990 740 1240
EUE 319008 1750 1310 2190
2-7/8 NU 323012 1420 1070 1780
EUE 443585 2230 1670 2790
3-1/2 NU 486742 2010 1500 2510
EUE 634011 3090 2320 3860
N80 552 758 689 2-3/8 NU 319897 1380 1040 1730
EUE 464052 2450 1830 3060
2-7/8 NU 469836 1990 1490 2490
EUE 645134 3210 2340 3900
3-1/2 NU 707868 2810 2110 3510
EUE 921874 4330 3250 5420
P110 758 965 862 2-3/8 NU 440470 1740 1300 2170
EUE 638016 3080 2310 3850
2-7/8 NU 646024 2510 1880 3140
EUE 887170 3940 2960 4930
3-1/2 NU 973484 3550 2670 4440
EUE 1268022 5490 4120 6860
US $490-900
/ Ton
|
1 Ton

(Min. Order)

###

Temperature Classification: Medium Temperature Piping
MPa Classfication: Medium Pressure Piping
Material: Carbon Steel
Standard: ASTM, GB, API, DIN, JIS
Diameter: 76mm-406mm
Medium: Liquid

###

Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

###

Steel grade Min. Yield Strength
(MPa)
Max.
Yield Strength
(MPa)
Min.Tensile Strength
(MPa)
Size (in) Connect Strength
(N)
OptimumMakeup Torque(N.m) Min.
Makeup Torque (N.m)
Max.
Makeup Torque
(N.m)
J55 379 552 517 2-3/8 NU 220235 990 740 1240
EUE 319008 1750 1310 2190
2-7/8 NU 323012 1420 1070 1780
EUE 443585 2230 1670 2790
3-1/2 NU 486742 2010 1500 2510
EUE 634011 3090 2320 3860
N80 552 758 689 2-3/8 NU 319897 1380 1040 1730
EUE 464052 2450 1830 3060
2-7/8 NU 469836 1990 1490 2490
EUE 645134 3210 2340 3900
3-1/2 NU 707868 2810 2110 3510
EUE 921874 4330 3250 5420
P110 758 965 862 2-3/8 NU 440470 1740 1300 2170
EUE 638016 3080 2310 3850
2-7/8 NU 646024 2510 1880 3140
EUE 887170 3940 2960 4930
3-1/2 NU 973484 3550 2670 4440
EUE 1268022 5490 4120 6860

What Is a Coupling?

A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.
gearbox

Types

Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.
gearbox

Applications

The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.
gearbox

Problems

A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.
China API 5CT L80 Seamless Carbon Steel Oil Casing Pipe Btc/Ltc/Stc Coupling     types of couplingChina API 5CT L80 Seamless Carbon Steel Oil Casing Pipe Btc/Ltc/Stc Coupling     types of coupling
editor by czh 2022-12-16