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Hebei Huike Steel Pipes Co., Ltd.

LOCATION:OIL CASING PIPES

CASING PIPE

  

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TUBING AND CASING PIPE
Casing Pipe are made from carbon steel. Oil casing tubing is used to extracting petroleum and natural gas from a well. Casing serves as wall of well.

Tolerance

                 Item
Tolerance
Out Diameter
 Pipe Body
D≤101.6mm+-0.79mm
    D≥114.3mm+1.0%D-5%D
Coupling
+-1%D
                   WT
0-12.5%t
Weight
Single Lengths
+6.5%-3.5%
Carload Lots
0-1.75%

Mechanical Properties

Grade
Yield Strength
Tensil Strength
Hardness
Allowable Hardness
Variation
Min
Max
Min
Max
Psi
Mpa
Psi
Mpa
Psi
Mpa
Hrc
Bhn
Hrc
J55
55,000
379
80,000
552
75,000
517
-
-
-
K55
55,000
379
80,000
552
95,000
655
-
-
-
N80
80,000
552
80,000
758
100,000
689
-
-
-

Chemical Composition (%)

Grade
Chemical Composition
C
Si
Mn
P
S
Cr
Ni
Cu
V
Als
     J55/K55
(37Mn5)
 0.34-0.39
 0.20-
0.35
 1.25-
1.50
0.02
0.015
0.15
0.20
0.20
0.02
      N80
   (36Mn2V)
   0.34-
   0.38
     0.25-
     0.40
    1.45-
    1.70
      ≤
    0.02
      ≤
   0.015
      ≤
    0.15
      ≤
    0.20
      ≤
    0.20
  0.11-
  0.16
   ≤
  0.02


HUIKE Equipment

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About Us/

Hebei Huike Steel Pipes Co., Ltd. was jointly established by Hebei Shengtian Group Seamless Steel Pipe Co., Ltd. and Hong Kong Huike Group. It covers a land area of 135,000 square meters with a total asset of 250 million Yuan. The company has advanced technologies and equipments and a strong technical force, and its production and inspection equipments are most up-to-date in the domestic steel pipe industry.

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HEBEI HUIKE STEEL PIPES CO., LTD
----------------------------------------------------------
TEL: +86-10-59574155
        +86-10-59574157
FAX:+86-10-87952399
E-mail: huikepipe@huikepipe.com
           liubq@huikepipecom

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