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Casing & Tubing

Supplier From China
Jan-16-08

Standard:
Api spec 5ct standard of american petroleum institute

Steel grade:
J55, k55, n80, l80, n80-1, n80q p110 etc

Diamensional tolerances:
Types of steel tubes outer diameterwall thickness
Cold-rolled tubes tube sizes(mm) tolerances(mm)tolerances(mm)
114.3a0.7912.5
114.30.5½1

Mechanical properties:
Standard codesmodels of steel tubestensite strength, mpayield strength, mpa elongation, hardness
Api spec 5ct j55517379½552check the table
K55517655
N80689552½758
L80(13cr)655552½655n241hb
P110862758½965.


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We a leading petroleum pipe supplier with api certificates. Our products include: casing, tubing, drill pipe, drill collar, in various specifications.
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Outside diameter: 2-3/8"-13-3/8"
Api certificate: api spec 5ct, api std 5b, api 5d
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Application
Seamless steel tubes for oil casing and tubing in oil wells

Steel grade
j55 k55 N80 L80 C90 C95 P110

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1.9"¡ª¡ª4.5"

Casing size
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Application:
Measure the thickness of tubing and casing
Detect corrosion and damage of pipe string
Detect the horizontal and vertical crack, fracture and deformation of pipe string

Specification :
Max diameter of tested string: 12 3/4 in. (324 mm )
Min diameter of tested string: 1 15/16 in. (50 mm)
Max thickness of single casing: 5/8 in. (16 mm)
Max thickness of double casing in total: 1 in. (25 mm)


Accuracy of thickness
Single casing: 0.02in. (0.5 mm )
Double casing: 0.06in. (1.5 mm )
Min length of axial crack:
2.5" single string 1 15/16 in. (50 mm)
5" single string 2 3/4 in. (70 mm)

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