API Standard Oil and Gas Well Casing Tube 5CT

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
20000 m.t./month

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Item specifice:

Standard: API Technique: Hot Rolled Shape: Round
Surface Treatment: Galvanized,Black Steel Grade: Q195 Certification: API
Thickness: 5.21 - 16.13 mm Length: 6M Net Weight: 9.5

Product Description:

Integral-joint tubing upsetting at one end, external threading, and external upsetting at the other end, internal threading. API integral-joint tubing is on the market in OD dimensions of 1.315 to a couple of.063 inch.


API integral-joint tubing provides 10-round form together with a joint strength which is less than the body minimum yield, this reduces its use.


The small OD of integral-joint tubing enables its use inside of larger tubing strings or inside of wells as unloading or vent strings.

The couplings will need to meet all the minimum specifications outlined in API Spec. 5CT. API Spec. 5B3 and API RP 5B14 cover threading, gauging, and thread inspection.

Specifications

Parameters
Value
Material
J55, K55, N80, N80Q, L80, P110, other grade available as your requirement
Outer Diameter
2-3/8"~4-1/2" (73.02~114.3mm)
Wall Thickness
4.83~16mm
Forms of Thread
EUE, NUE and Integral-joint
Length Range
R1(20~24ft), R2(28~32ft)
MTR
accordance with API Specification 5CT

Tolerances

Parameters
Value
Outside diameter
+-0.031 inch (0.79mm)
Wall thickness
-12.5%, positive deviations are limited by pipe weight
Weight Deviation
+6.5% /-3.5%

Mechanical Properties

Grade
Tensile Strength (PSI/MPa)
Yield Strenght (PSI/MPa)
H-40
No less than 60000(414)
Between 40000 (276) ~ 80000 (552)
J-55
No less than 75000 (517)
Between 55000 (379) ~ 80000 (552)
N-80
No less than 100000 (689)
Between 80000 (552) ~ 110000 (758)
P-110
No less than 125000 (862)
Between 110000 (758) ~ 140000 (965)

Inspection

Physical properties are checked and each length hydrostatically tested, normally to only 3,000 psi in the plain end (unthreaded) condition. The following are also checked:

  • Dimensions

  • Weights

  • Straightness

  • Lengths

Part of this inspection is to drift all lengths.
Despite all the American Petroleum Institute (API) specifications and testing, some tubing defects are still found after delivery; thus, some operators do further inspection.


Inspection Method

  • Size and surface inspection

  • NDT and pressure test and third party certication

  • Hydrostatic

  • Drifting test

  • Physical and chemicail analysis

  • Hardness and pressure test.

  • Electromagnetic

  • Magnetic particle

  • Ultrasonic

Dimensions and Weight

sizesOD

D

mm

weightwt

t

mm

Type of end
12NU kg/mEU kg/mIJ kg/m
NUEUIJ
H40J55L80N80 1/QC90T95P110
12345678910111213141516
2-3/82-3/8

2-3/8

2-3/8

2-3/8

4.004.60

5.80

6.60

7.35

-4.70

5.95

-

7.45

-

-

-

60.3260.32

60.32

60.32

60.32

5.956.85

8.63

9.82

10.94

-6.99

8.85

-

11.09

-

-

-

4.244.83

6.45

7.49

8.53

PUPNU

-

-

-

PNPNU

-

-

-

PNPNU

PNU

P

PU

PNPNU

PNU

-

-

PNPNU

PNU

P

PU

PNPNU

PNU

P

PU

-PNU

PNU

-

-

2-7/82-7/8

2-7/8

2-7/8

2-7/8

2-7/8

6.407.80

8.60

9.35

10.50

11.50

6.507.90

8.70

9.45

-

-

-

-

-

-

73.0273.02

73.02

73.02

73.02

73.02

9.5211.61

12.80

13.91

15.63

17.11

9.6711.76

12.95

14.06

-

-

-

-

-

-

5.517.01

7.82

8.64

9.96

11.18

PNU-

-

-

-

-

PNU-

-

-

-

-

PNUPNU

PNU

PU

P

P

PNUPNU

PNU

-

-

-

PNUPNU

PNU

PU

P

P

PNUPNU

PNU

PU

P

P

PNUPNU

PNU

-

-

-

3-1/23-1/2

3-1/2

3-1/2

3-1/2

3-1/2

3-1/2

7.709.20

10.20

12.70

14.30

15.50

17.00

-9.30

-

12.95

-

-

-

-

-

-

-

-

88.9088.90

88.90

88.90

88.90

88.90

88.90

11.4613.69

15.18

18.90

21.28

23.07

25.30

-13.84

-

19.27

-

-

-

-

-

-

-

-

5.496.45

7.34

9.52

10.92

12.09

13.46

PNPNU

PN

-

-

-

-

PNPNU

PN

-

-

-

-

PNPNU

PN

PNU

P

P

P

PNPNU

PN

PNU

-

-

-

PNPNU

PN

PNU

P

P

P

PNPNU

PN

PNU

P

P

P

-PNU

-

PNU

-

-

-

44

4

4

4

4

9.5010.70

13.20

16.10

18.90

22.20

-11.00

-

-

-

-

-

-

-

-

101.60101.60

101.60

101.60

101.60

101.60

14.14-

19.64

23.96

28.13

33.04

-16.37

-

-

-

-

-

-

-

-

5.746.65

8.38

10.54

12.70

15.49

PNPU

-

-

-

-

PNPU

-

-

-

-

PNPU

P

P

P

P

PNPU

-

-

-

-

PNPU

P

P

P

P

PNPU

P

P

P

P

-

-

-

-

4-1/24-1/212.6015.2012.75-114.30114.3018.7522.6218.97-6.888.56PNU-PNU-PNUPPNU-PNUPPNUP
4-1/24-1/2

4-1/2

4-1/2

4-1/2

17.0018.90

21.50

23.70

26.10

-

-

-

-

-

-

114.30114.30

114.30

114.30

114.30

25.3028.13

32.00

35.27

38.84

-

-

-

-

-

-

9.6510.92

12.70

14.22

16.00

-

-

-

-

-

-

PP

P

P

P

-

-

-

PP

P

P

P

PP

P

P

P

-

-

-

P——Plain end;N—Non-upset threaded and coupled;U—External upset threaded and coupled;I—insert joint.

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT  API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT   API Standard Oil and Gas Well Casing Tube 5CT


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Q:What's the difference between steel pipe and pipe fittings?
Pipe fittings: parts that connect pipes to pipes. According to the connection method can be divided into socket type pipe fittings, threaded fittings, flange pipe fittings and welding pipe fittings four kinds. Multipurpose; made of the same material as pipes. Elbow (elbow), flange, three pipe and four pipe (crosshead) and reducer (reducer) etc.. Elbow for pipeline corner; flange for the pipe and pipe interconnected parts, connected to the pipe end, three pipe for three pipe collection; four pipe for four tubes together place; for two pipes of different diameters connected to different diameter pipe.
Q:Are the welded and galvanized tubes the same weight?
The same specifications of welded pipe and galvanized pipe weight is not the same, the general welding tube weight, galvanized pipe light.
Q:25 of the steel pipe with 6 in charge of what is the difference?
Outer diameter representation of steel pipe:When the design is nominal diameter DN means diameter, should be nominal diameter DN and the corresponding product specifications table. Specification for unplasticized polyvinyl chloride pipes for building drainage, de (nominal outer diameter) * e (nominal wall thickness), (GB, 5836.1-92), polypropylene (PP) pipe for water supply, specifications by de * e (nominal outer diameter * wall thickness).
Q:What kind of argon arc welding wire is used for 16Mn steel pipe?
16Mn steel belongs to carbon manganese steel, the content of carbon is about 0.16%, and the yield point is equal to 343MPa (strength grade is 343MPa). 16Mn steel alloy content is less, good weldability, welding generally without preheating. But because the 16Mn steel hardened tendency is slightly larger than the low carbon steel, so at low temperatures (such as winter outdoor operations) or welding in high rigidity, large thickness of the structure, in order to prevent the cold crack, need to take measures to preheat.
Q:DN80 seamless steel tube, what is the standard thickness?
Commonly used DN80 seamless steel pipe caliber should be 89mm*4mm.
Q:What's the difference between seamless steel pipe and welded pipe?
The difference can be seen from the outward appearance that the welded pipe is welded by roll up.
Q:Theoretical weight of 25*25*1.5 square steel tubes
Square steel tube, referred to as square tube, also known as square tube, is a square pipe of a kind of name, that is, the length of the same steel pipe. The strip is rolled by process. Generally, the strip is disassembled, leveled, crimped and welded to form a round tube. The tube is then rolled into square tubes and cut to the required length, usually 50 pieces per package.
Q:The plastic pipe and steel pipe difference
Plastic pipe and plastic inner coating, and coated inside and outside. (of course, some are epoxy coated, and some are PE).The plastic tube is one kind of steel pipe, steel plastic pipe has many types, including plastic, plastic, and plastic coated, and epoxy, which are known are steel tubes.
Q:Is the electric pipe used with steel pipe or PVC pipe?
Electric pipe laying is generally divided into the following circumstances:1) the explosion-proof area must be galvanized steel pipe and explosion proof flexible pipe (used for front end equipment connection);2) non explosion-proof area can use KBG pipe or PVC tube, the former is higher cost, but the installation is firm, the latter is low cost, easy to construction, and in the rain where it will not rust, but compared to the KBG pipe may be damaged.
Q:Can seamless steel pipe and ordinary steel pipe be welded?
If your project is a seamless steel pipe, so theoretically, you put the tube with connected is not used.But the actual engineering operation, design drawings will be put on the normal need to improve the requirements of the drawings to the actual requirements, so if is the need of seamless steel pipe, welded pipe in the end so can you see yourself.

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