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China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun

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  • China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun
  • China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun
  • China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun

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Persisting in "High quality, Prompt Delivery, Aggressive Price", now we have established long-term cooperation with consumers from equally overseas and domestically and get new and old clients' large comments for Sch80 Seamless Pipe, Square Steel Tube, Cold-Drawn Welded Tubes, "Passion, Honesty, Sound service, Keen cooperation and Development" are our goals. We are here expecting friends all over the world!
China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun Detail:

Standard

Grade

Tensile Strength（MPa）

Yield Strength（MPa）

Elongation（%）

Hardness

API SPEC 5CT

J55

≥517

379～552

0.5%

≤241HB

K55

≥655

379~552

0.5%

N80

≥689

552~758

0.5%

L80（13Cr）

≥655

552~655

0.5%

P110

≥862

758~965

0.6%

Chemical Composition of oil well casing:100% bullet tests include ultrasound inspection of full length wall thickness, full length drift diameter, water pressure test, mechanical test (yield, tensile, hardness) etc.
100% final product tests include connection inspection; weld quality inspection and insulation performance tests.

Standard

Grade

Composition（%）

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

AIs

API SPEC 5CT
 

J55K55

0.34～0.39

0.20～
0.35

1.25～1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.20

 

 

≤0.020

(37Mn5)

N80

0.34～0.38

0.20～
0.35

1.45～1.70

≤0.020

≤0.015

≤0.15

 

 

 

0.11
～0.16

≤0.020

(36 Mn2V)

L80(13Cr)

0.15～0.22

≤1.00

0.25～1.00

≤0.020

≤0.010

12.0～
14.0

≤0.20

≤0.20

 

 

≤0.020

P110

0.26～0.35

0.17～
0.37

0.40～0.70

≤0.020

≤0.010

0.80～
1.10

≤0.20

≤0.20

0.15
～0.25

≤0.08

≤0.020

(30CrMo)
Labels Outside diameter T&C Wall thickness   Type of end-finish
(d/mm) (kg/m) (t/mm)
1 2       J55/K55 M65 L80/R95 N80-1/Q C90/T95 P110 Q125
2004/1/2 9.5 114.3 14.14 5.21 PS PS - - - - -
10.5 114.3 15.63 5.69 PSB PSB - - - - -
11.6 114.3 17.26 6.35 PSLB PLB PLB PLB PLB PLB -
13.5 114.3 20.09 7.37 - PLB PLB PLB PLB PLB -
15.1 114.3 22.47 8.56 - - - - - PLB PLB
5 11.5 127 17.11 5.59 PS PS - - - - -
13 127 19.35 6.43 PSLB PSLB - - - - -
15 127 22.32 7.52 PSLB PLB SLB PLB PLB PLB  
18 127 26.79 9.19 - PLB SLB PLB PLB PLB PLB
21.4 127 31.85 11.1 - PLB PLB PLB PLB PLB PLB
23.2 127 34.53 12.14 - - PLB PLB PLB PLB PLB
24.1 127 35.87 12.7 - - PLB PLB PLB PLB PLB
2005/1/2 14 139.7 20.83 6.2 PS PS - - - - -
15.5 139.7 23.07 6.98 PSLB PSLB - - - - -
17 139.7 25.3 7.72 PSLB PLB PLB PLB PLB PLB -
20 139.7 29.76 9.17 - PLB PLB PLB PLB PLB -
23 139.7 34.23 10.54 - PLB PLB PLB PLB PLB PLB
26.8 139.7 39.88 12.7 - - - - P - -
29.7 139.7 44.2 14.27 - - - - P - -
32.6 139.7 48.52 15.88 - - - - P - -
35.3 139.7 52.53 17.45 - - - - P - -
38 139.7 56.55 19.05 - - - - P - -
40.5 139.7 60.27 20.62 - - - - P - -
43.1 139.7 64.14 22.22 - - - - P - -
2006/5/8 20 168.28 29.76 7.32 PSLB PSLB - - - - -
24 168.28 35.72 8.94 PSLB PLB PLB PLB PLB PLB -
28 168.28 41.67 10.59 - PLB PLB PLB PLB PLB -
32 168.28 47.62 12.06 - - PLB PLB PLB PLB PLB
7 17 177.8 25.3 5.87 - - - - - - -
20 177.8 29.76 6.91 PS PS - - - - -
23 177.8 34.23 8.05 PSLB PLB PLB PLB PLB - -
26 177.8 38.69 9.19 - PLB PLB PLB PLB PLB -
29 177.8 43.16 10.36 - PLB PLB PLB PLB PLB -
32 177.8 47.62 11.51 - PLB PLB PLB PLB PLB -
35 177.8 52.09 12.65 - - PLB PLB PLB PLB PLB
38 177.8 56.55 13.72 - - PLB PLB PLB PLB PLB
42.7 177.8 63.55 15.88 - - - - P - -
46.4 177.8 69.05 17.45 - - - - P - -
50.1 177.8 74.56 19.05 - - - - P - -
53.6 177.8 79.77 20.62 - - - - P - -
57.1 177.8 84.98 22.22 - - - - P - -
2007/5/8 24 193.68 35.72 7.62 - - - -   - -
26.4 193.68 39.29 8.33 PSLB PSLB PLB PLB PLB - -
29.7 193.68 44.2 9.52 - PLB PLB PLB PLB PLB -
33.7 193.68 50.15 10.92 - PLB PLB PLB PLB PLB -
39 193.68 58.04 12.7 - - PLB PLB PLB PLB PLB
42.8 193.68 63.69 14.27 - - PLB PLB PLB PLB PLB
45.3 193.68 67.42 15.11 - - PLB PLB PLB PLB PLB
47.1 193.68 70.09 15.88 - - PLB PLB PLB PLB PLB
51.2 193.68 76.2 17.45 - - - - P - -
55.3 193.68 82.3 19.05 - - - - P - -
2007/3/4 46.1 196.85 68.61 15.11 - - P P P P P
2008/5/8 24 219.08 35.72 6.71 PS PS - - - - -
28 219.08 41.67 7.72   PS - - - - -
32 219.08 47.62 8.94 PSLB PSLB - - - - -
36 219.08 53.58 10.16 PSLB PSLB PLB PLB PLB PLB -
40 219.08 59.53 11.43 - PLB PLB PLB PLB PLB -
44 219.08 65.48 12.7 - - PLB PLB PLB PLB -
49 219.08 72.92 14.15 - - PLB PLB PLB PLB PLB
2009/5/8 32.3 244.48 48.07 7.92 - - - - - - -
36 244.48 53.58 8.94 PSLB PSLB - - - - -
40 244.48 59.53 10.03 PSLB PSLB PLB PLB PLB - -
43.5 244.48 64.74 11.05 - PLB PLB PLB PLB PLB -
47 244.48 69.95 11.99 - PLB PLB PLB PLB PLB PLB
53.5 244.48 79.62 13.84 - - PLB PLB PLB PLB PLB
58.4 244.48 86.91 15.11 - - PLB PLB PLB PLB PLB
59.4 244.48 88.4 15.47 - - - - P - -
64.9 244.48 96.58 17.07 - - - - P - -
70.3 244.48 104.62 18.64 - - - - P - -
75.6 244.48 112.51 20.24 - - - - P - -
2010/3/4 32.75 273.05 48.74 7.09 - - - - - - -
40.5 273.05 60.27 8.89 PSB PSB - - - - -
45.5 273.05 67.71 10.16 PSB PSB - - - - -
51 273.05 75.9 11.43 PSB PSB PSB PSB PSB PSB -
55.5 273.05 82.6 12.57 - PSB PSB PSB PSB PSB -
60.7 273.05 90.33 13.84 - - - - PSB PSB PSB
65.7 273.05 97.77 15.11 - - - - PSB PSB PSB
73.2 273.05 108.94 17.07 - - - - P - -
79.2 273.05 117.87 18.64 - - - - P - -
85.3 273.05 126.94 20.24 - - - - P - -
2011/3/4 42 298.45 62.5 8.46 - - - - - - -
47 298.45 69.95 9.53 PSB PSB - - - - -
54 298.45 80.36 11.05 PSB PSB - - - - -
60 298.45 89.29 12.42 PSB PSB PSB PSB PSB PSB PSB
65 298.45 96.73 13.56 - - P P P P P
71 298.45 105.66 14.78 - - P P P P P
2013/3/8 48 339.72 71.43 8.38 - - - - - - -
54.5 339.72 81.11 9.65 PSB PSB - - - - -
61 339.72 90.78 10.92 PSB PSB - - - - -
68 339.72 101.2 12.19 PSB PSB PSB PSB PSB PSB -
72 339.72 107.15 13.06 - - PSB PSB PSB PSB PSB
16 65 406.4 96.73 9.53 - - - - - - -
75 406.4 111.62 11.13 PSB PSB - - - - -
84 406.4 125.01 12.57 PSB PSB - - - - -
109 406.4 162.21 16.66 P - P P - P P
2018/5/8 87.5 473.08 130.22 11.05 PSB PSB - - - - -
20 94 508 139.89 11.13 PSLB PSLB - - - - -
106.5 508 158.49 12.7 PSLB PSLB - - - - -
133 508 197.93 16.13 PSLB - - - - - -

* P – plain end, S – short round thread, B – buttress, L – long round thread

Name

 J55 K55 N80-1 N80-Q L80-1 P110
Casing a bright green band two bright green bands a bright red band a bright red band + a green band a red band + a brown band a bright white band
Coupling entire green coupling + a white band entire green coupling entire red coupling entire red coupling + a green band entire red coupling + a brown band entire white coupling

Casing-Tube
casing-pipe
casing-tubing

Product detail pictures:

China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun detail pictures

China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun detail pictures

China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun detail pictures

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Our goal is to provide high quality products at competitive prices, and top-notch service to customers around the world. We are ISO9001, CE, and GS certified and strictly adhere to their quality specifications for China Wholesale Gas Pipe Black Steel Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun , The product will supply to all over the world, such as: New Zealand, Greece, Qatar, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market. We are willing to cooperate with business friends from at home and abroad and create a great future together.
    • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Caroline from Hongkong - 2018.11.04 10:32
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Fiona from moldova - 2017.04.28 15:45

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