seamless carbon steel pipe API 5CT oil casing tube

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
60000 m.t./month

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Product Description:

Specifications

Oil Casing Steel Pipe
1.Steel grade: J55 K55 N80-1 N80-Q L80 P110 ;
2.Size: Tubing  2 3/8" - 4 1/2" ;
3.length:R1,R2,R3 .

Technical data

 

Outsider Diameter

Wall Thickness

Grade

Thread

Inch

mm

kg/m

1b/ft

J55/K55/N80/L80/P110

STC/LTC/BTC

4 1/2

114.3

14.14-22.47

9.50-15.10

J55/K55/N80/L80/P110

STC/LTC/BTC

5

127

17.11-35.86

11.50-24.10

J55/K55/N80/L80/P110

STC/LTC/BTC

5 1/2

139.7

20.83-64.14

14.00-43.10

J55/K55/N80/L80/P110

STC/LTC/BTC

6 5/8

168.28

29.76-47.62

20.00-32.00

J55/K55/N80/L80/P110

STC/LTC/BTC

7

177.8

25.30-84.98

17.00-57.10

J55/K55/N80/L80/P110

STC/LTC/BTC

7 5/8

193.68

35.72-82.30

24.00-55.30

J55/K55/N80/L80/P110

STC/LTC/BTC

8 5/8

219.08

35.72-72.92

24.00-49.00

J55/K55/N80/L80/P110

STC/LTC/BTC

9 5/8

244.48

48.07-112.51

32.30-75.60

J55/K55/N80/L80/P110

STC/LTC/BTC

10 3/4

273.05

48.74-126.94

32.75-85.30

J55/K55/N80/L80/P110

STC/LTC/BTC

11 3/4

298.45

6250-105.66

42.0-71.00

J55/K55/N80/L80/P110

STC/LTC/BTC

13 3/8

339.73

71.43-107.15

48.00-72.00

J55/K55/N80/L80/P110

STC/LTC/BTC

16

406.40

96.73-162.21

65.00-109.00

J55/K55/N80/L80/P110

STC/LTC/BTC

18 5/8

473.08

130.22

87.50

J55/K55/N80/L80/P110

STC/LTC/BTC

20

508.00

139.89-197.93

94.00-133.00

J55/K55/N80/L80/P110

STC/LTC/BTC

 

API Oil Casing Pipe can be used for oil pipeline, oil natural gas, industrial gas, water transportation etc. 

Packing Details:

Single with bubble bag and then in wooden case(fumigation certificate). Each case is clearly marked with: 

1.Name & identification mark of manufacturer-HuaDong Brand

2. Batch number 

3. Date of manufacturer 

4. Material 

5. Safe heating & application temperature




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Q:Difference between seamless steel pipe and welded pipe
Seamless steel pipe can be used in various industries, such as liquid, pneumatic, pipeline and gas pipeline.
Q:Material of welded steel pipe
GB/T3091-1993 (galvanized steel pipe for low pressure fluid delivery). Mainly used to transport water, gas, air, oil and heating, hot water or steam, etc. generally lower pressure fluid and other use tube. Its representative material is Q235 grade a steel.
Q:What are the lengths of scaffold steel tubes?
Scaffolding steel pipe standard length is 6 meters, for easy use, respectively, 6 meters, 3 meters, 2 meters, 1.5 meters, 1 meters, etc., if there is a special length, you need to intercept.
Q:What is the production process of seamless steel tube?
Main production process of cold rolled (drawn) seamless steel tube:Blank preparation, pickling, lubrication, cold rolling (drawing), heat treatment, straightening, finishing and inspectionThe production process of seamless steel tube in general can be divided into two kinds of hot rolling and cold drawing, cold-rolled seamless steel pipe production process than hot-rolled billet to complex, first to three roller rolling and extrusion to sizing test, if the tube through the cutting machine cutting surface without crack growth response after cutting blank about one meter. Then enter the annealing process, annealing and pickling to use acid pickling liquid, should pay attention to the surface if there are a lot of bubbling, if there are a large number of bubbling pipe shows that the quality is not up to the standard. The appearance of cold rolling seamless steel tube shorter than hot-rolled seamless steel pipe, cold rolled seamless steel pipe wall thickness is generally higher than hot-rolled seamless steel pipe to be small, but the surface looks better than thick wall seamless steel pipe is more bright, rough surface is not too much, not too much burr diameter.
Q:What's the difference between a rectangular tube and a rectangular steel tube?
The classification of rectangular tube: steel pipe seamless steel pipe and welded steel pipe (tube) hot-rolled seamless tube, seamless tube, seamless tube, welded tube extrusion. The welded square pipe is divided into two parts:(a) according to the process of arc welding - resistance welding tube, square tube (high frequency and low frequency), welding square tube, welding square tube furnace (b) according to the weld - welded square tube, spiral welded pipe.
Q:How can galvanized steel tubes be painted on the surface?
Suitable for galvanized base material (antirust primer), epoxy zinc yellow primer (double component), epoxy ester zinc yellow primer.Pretreatment of galvanized sheet when brushing:1, conditional, you can zinc plating phosphating treatment, or first spray a layer of phosphating primer.2, or smooth zinc plating surface sweeping treatment.3, the galvanized workpiece, galvanized pipe surface with solvent (that is, epoxy zinc yellow primer, thinner) wipe, in order to remove the workpiece crude oil protective layer, and increase cleanliness.4, two-component epoxy zinc yellow primer: in strict accordance with the proportion of paint and curing agent paint, and aging 30 minutes later, modulation suitable construction viscosity, you can spray.One component epoxy ester primer: zinc yellow construction viscosity suitable to construction of modulation, the correct construction method.
Q:How to perform nondestructive inspection of steel tubes
Radiographic inspection (RT)One of the earliest nondestructive testing methods is widely used in the inspection of internal defects of metals and non-metallic materials and products, with a history of at least 50 years. It has incomparable unique advantages, that is to test the correctness, reliability and intuition of the defects, and the ray film can be used for the analysis of defects and as a quality certificate archive. But this method also has the disadvantages of more complicated equipment and higher cost, and should pay attention to the protection of radiation.
Q:What is the buckling type thin-wall steel pipe? What is a tight set of thin-walled steel tubes? What's the difference between the two?
The thread of the tightening (JDG) joint is unified with an outer thread, a wall thickness of 1.5mm, and a button (KBG). The thread of the joint is an internal thread, and the wall thickness is 1.0mm. Withholding type joint for the use of the same company and pipe connection to matching products with complete connection clamp buckle. Fastening and pressing type correctly connected and locked after no need to do a cross ground.
Q:Welded and seamless steel pipe how to distinguish?
Different processing technology:Seamless tubes are made of quality carbon steel or alloy steel. Processing technology of seamless pipe hot rolling and cold drawing is divided into two ways, and the tube is generally based on welded.
Q:Galvanized steel pipe DN100 and SC100
DN is the meaning of "bore", also expressed in water supply and drainageSC is welded steel pipe, generally GB tube, that is, thick walled steel pipe, look at the design requirementsMT refers to the wire tube, usually thin-walled tube, there are KBG and JDG

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