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J55 K55 Precision Seamless Steel Casing Pipes

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J55 K55 Precision Seamless Steel Casing Pipes

Brand Name : Zhongshi

Model Number : 4 1/2"-20"

Certification : API 5CT, ISO, QHSE

Place of Origin : China

MOQ : 1 metric ton

Price : Negotiable

Payment Terms : T/T, L/C

Packaging Details : Be bundled by steel strap

Standard : API 5CT

Steel grade : K55 J55 N80 L80 P110

Structure : Seamless

Section shape : Round

Application : Oil industry

Technique : Hot rolled

Material : Alloy steel

Country of origin : China (mainland)

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API 5CT J55 K55 Precision Seamless Steel Casing Pipes

Features:

1. Length range R3
2. API 5CT seamless pipe

Technical specification:

Size

Linear Mass

lb/ft

 Outside Diameter Wall Thickness Type of end-finish
inch mm inch mm Grade
J-55 K-55 M-65 L-80 C-95 N-80 1,Q P-110
4 1/2'' 9.5 4.5 114.3 0.205 5.21 PS PS - - -
10.5 4.5 114.3 0.224 5.69 PSB PSB - - -
11.6 4.5 114.3 0.25 6.35 PSLB PLB PLB PLB PLB
13.5 4.5 114.3 0.29 7.37 -- PLB PLB PLB PLB
15.1 4.5 114.3 0.337 8.56 -- - - - PLB
5'' 11.5 5 127 0.22 5.59 PS PS - - -
13 5 127 0.253 6.43 PSLB PSLB - - -
15 5 127 0.296 7.52 PSLB PLB PLB PLB PLB
18 5 127 0.362 9.19 -- PLB PLB PLB PLB
21.4 5 127 0.437 11.1 -- PLB PLB PLB PLB
23.2 5 127 0.478 12.14 -- - PLB PLB PLB
24.1 5 127 0.5 12.7 -- - PLB PLB PLB
5 1/2'' 14 5.5 139.7 0.244 6.2 PS PS - - -
15.5 5.5 139.7 0.275 6.98 PSLB PSLB - - -
17 5.5 139.7 0.304 7.72 PSLB PLB PLB PLB PLB
20 5.5 139.7 0.361 9.17 -- PLB PLB PLB PLB
23 5.5 139.7 0.415 10.54 -- PLB PLB PLB PLB
26.8 5.5 139.7 0.5 12.7 -- - - - -
29.7 5.5 139.7 0.562 14.27 -- - - - -
32.6 5.5 139.7 0.625 15.87 -- - - - -
35.3 5.5 139.7 0.687 17.45 -- - - - -
38 5.5 139.7 0.75 19.05 -- - - - -
40.5 5.5 139.7 0.812 20.62 -- - - - -
43.1 5.5 139.7 0.875 22.23 -- - - - -
6 5/8'' 20 6.625 168.28 0.288 7.32 PSLB PSLB - - -
24 6.625 168.28 0.352 8.94 PSLB PLB PLB PLB PLB
28 6.625 168.28 0.417 10.59 -- PLB PLB PLB PLB
32 6.625 168.28 0.475 12.06 -- -- PLB PLB PLB
7 3/4'' 46.1 8.625 219.08 0.595 15.11 - - P P P
8 5/8'' 24 8.625 219.08 0.264 6.71 PS PS - - -
28 8.625 219.08 0.304 7.72 - PS - - -
32 8.625 219.08 0.352 8.94 PSLB PSLB - - -
36 8.625 219.08 0.4 10.16 PSLB PSLB PLB PLB PSLB
8.625 219.08 0.45 11.43 - PLB PLB PLB PLB -
44 8.625 219.08 0.5 12.7 - - PLB PLB PLB
49 9.625 244.28 0.557 14.15 - - PLB PLB -
9 5/8'' 32.3 9.625 244.48 0.312 7.92 - - - - -
36 9.625 244.48 0.352 8.94 PSLB PSLB - - -
40 9.625 244.48 0.395 10.03 PSLB PSLB PLB PLB PLB
43.5 9.625 244.48 0.435 11.05 - PLB PLB PLB PLB
47 9.625 244.48 0.472 11.99 - PLB PLB PLB PLB
53.5 9.625 244.48 0.545 13.84 - - PLB PLB PLB
58.4 9.625 244.48 0.595 15.11 - - PLB PLB -
59.4 9.625 244.48 0.609 15.57 - - - - -
64.9 9.625 244.48 0.672 17.07 - - - - -
70.3 9.625 244.48 0.734 18.64 - - - - -
75.6 9.625 244.48 0.797 20.24 - - - - -
10 3/4'' 32.75 10.75 273.05 0.279 7.09 - - - - -
40.5 10.75 273.05 0.35 8.89 PSB PSB - - -
45.5 10.75 273.05 0.4 10.16 PSB PSB - - -
51 10.75 273.05 0.45 11.43 PSB PSB PSB PSB PSB
55.5 10.75 273.05 0.468 12.57 - PSB PSB PSB PSB
60.7 10.75 273.05 0.545 13.84 - - - - PSB
65.7 10.75 273.05 0.595 15.11 - - - - PSB
73.2 10.75 273.05 0.672 17.07 - - - - -
79.2 10.75 273.05 0.734 18.64 - - - - -
85.3 10.75 273.05 0.797 20.24 - - - - -
11 3/4'' 42 11.75 298.45 0.333 8.46 - - - - -
47 11.75 298.45 0.375 9.53 PSB PSB - - -
54 11.75 298.45 0.435 11.05 PSB PSB - - -
65 11.75 298.45 0.534 13.56 - - P P P
71 11.75 298.45 0.582 14.78 - - P P P
13 3/8'' 48 13.375 339.73 0.33 8.38 - - - - -
54.5 13.375 339.73 0.38 9.65 PSB PSB - - -
61 13.375 339.73 0.43 10.92 PSB PSB - - -
68 13.375 339.73 0.48 12.19 PSB PSB PSB PSB PSB
72 13.375 339.73 0.514 13.06 - - PSB PSB PSB
18 5/8'' 87.5 18.625 473.08 0.435 11.05 PSB PSB - - -
20'' 94 20 508 0.438 11.13 PSLB PSLB - - -
106.5 20 508 0.5 12.7 PSLB PSLB - - -
133 20 508 0.635 16.13 PSLB - - - -

Casing pipe descriptions:

Casing seamless pipe is mainly used for supporting the wall of the well during and after the drilling to ensure

the drilling process and the normal operation of the entire well after completion. The oil casing pipe is the

lifeline for maintaining the operation of the oil well.

J55 K55 Precision Seamless Steel Casing Pipes

Mechanical properties:

Grade Yield Strength Tensile Strenght Hardness Allowable
Min Max Min Max Max Hardness
Psi Mpa Psi Mpa Psi Mpa HRC BHN Variation
J55 55,000 379 80,000 552 75,000 517 - - -
K55 55,000 379 88,000 552 95,000 655 - - -
N80 80,000 552 110,000 758 100,000 689 - - -
N80-1 80,000 552 95,000 655 95,000 655 23 241 -
C90 90,000 621 105,000 724 100,000 689 25.4 255 3
C95 95,000 655 110,000 758 105,000 724 - - -
T95 95,000 655 110,000 758 105,000 724 25.4 255 3
P110 110,000 758 140,000 965 125,000 862 - - -




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