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Hebei Huike Steel Pipe Co., Ltd.
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Tubing and casing pipe

Tubing is used to extracting petroleum and natural gasfrom a well.
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Product description
Parameters

STANDARD:

API SPEC 5CT、API SPEC 5B、ISO 11960

APPLICATION:

Tubing is used to extracting petroleum and natural gasfrom a well.

Casing serves as walls of well.

TECHNOLOGYDATA:

Tolerance

 

ltem Tolerance
Outside Diameter Pipe Body D≤101.60mm±0.79nn
D≥114.30mm+1.0%D-,5%D
Coupling ±1%D
Wall Thickness   0,-12.5%t
Weight Single Lengths +6.5%-3.5%
Carload Lots 0,-1.75%

 

Mechanical Properties

 

Grade Yield Strength Tenslle strength Hardness Allcwable Hardness Variation
min max min max
Psi Mpa Psi Mpa Psi Mpa Hrc Bhn Hrc
J55 55000 379 80000 552 75000 517 - - -
K55 55000 379 80000 552 95000 655 - - -
N80 80000 552 80000 758 100000 689 - - -

 

Chemical Composition%

 

Grade Chemical Composition%
C Si Mn P S Cr Ni Cu V Als
J55/K55 0.34- 0.20- 1.25- ≤ ≤ ≤ ≤ ≤   ≤
(37Mn5) 0.39 0.35 1.50 0.020 0.015 0.15 0.20 0.20   0.020
N80 0.34- 0.25- 1.45- ≤ ≤ ≤ ≤ ≤   ≤
(36Mn2V) 0.38 0.40 1.70 0.020 0.015 0.15 0.20 0.20 0.11-0.16 0.020

 

Length

 

  (Range 1) (Range 2) (Range 3)
Tubing 6.10-7.23m 8.53-9.75m 11.58-12.80m
Casing 4.88-7.62m 7.62-10.36m 10.36-14.63m
Pup Joint 0.5m-6.0m(2 FEET-20 FEET)

 

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Add：Hope New District, Mengcun Hui
Autonomous County, Cangzhou City, Hebei Province
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