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Oil Casing
Oil casing has a wide range of applications in the petroleum industry, mainly used to support the wellbore of oil and gas wells to ensure the smooth progress of drilling processes and the normal operation of oil wells after completion. Oil casing is one of the important equipment in oil drilling, usually used together with drill rods, core pipes, drill collars, and small-diameter drilling steel pipes
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Product Description

Oil casing has a wide range of applications in the petroleum industry, mainly used to support the wellbore of oil and gas wells to ensure the smooth progress of drilling processes and the normal operation of oil wells after completion. Oil casing is one of the important equipment in oil drilling, usually used together with drill rods, core pipes, drill collars, and small-diameter drilling steel pipes


All specifications products can be customized according to customer requirements
Product nameOil Casing Pipe
ProcessHot rolled and cold drawn
StandardAPI 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444, JIS G3445 DIN 2391, EN10305, EN10210, ASME SA106, SA192, SA210,SA213, SA335, DIN17175, ASTM A179
Our diameter1/8 – 30 inch (10.3-762mm)
Wall Thickness0.049” – 2.5” (1.24- 63.5mm)
LengthRandom Length, Fixed Length, SRL, DRL
Steel GradeAPI 5L: GR B, X42, X46, X56, X60, X65, X70
ASTM A53/A106: GR A, GR B, GR C
ASME SA106: GR.A, GR.B, GR.C
ASME SA192: SA192
ASME SA209M: T1, T1a
ASME SA210: GR.A-1, GR.C
ASME SA213: T2, T5, T9, T11, T12, T22
ASME SA335: P2, P5, P9, P11, P12, P22, P91
DIN17175:ST35.8, ST45.8, 15Mo3, 13CrMo44
SurfaceFusion Bond Epoxy Coating,Coal Tar Epoxy,3PE,FBE,Varnish coating,Bitumen coating,Black Oil coating as per customers requirement
TreatmentHeat treatment:Annealed: Bright annealed,Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered.
ApplicationApplicable to the general structure, mechanical structure, water wall panel, economizer, super heater, boiler and heat exchanger
with seamless steel tubes, and to transport liquid, gas, oil etc.



Specification: API SPEC 5CT
SizeSteel grade & connection type
ODmm(inch)WT/mmH40J55,K55L80-1,L80-9Cr,L80-13Cr,R95N80-1,N80QC90,T95C110P11OQ125
114.30(4-1/2'')5.21SS





5.69
S/B





6.35
S/L/BL/BL/BL/B
L/B
7.37

L/BL/BL/B
L/B
8.56





L/BL/B
127.00(5'')5.59
S





6.43
S/L/B





7.52
S/L/BL/BL/BL/B
L/BL/B
9.19

L/BL/BL/B
L/BL/B
11.10

L/BL/BL/B
L/BL/B
12.14

L/BL/BL/B
L/BL/B
12.7

L/BL/BL/B
L/BL/B
139.70(5-1/2'')6.2SS





6.98
S/L/B





7.72
S/L/BL/BL/BL/B
L/B
9.17

L/BL/BL/B
L/B
10.54

L/BL/BL/B
L/BL/B
168.28(6-5/8'')7.32SS/L/B





8.94
S/L/BL/BL/BL/B
L/B
10.59

L/BL/BL/B
L/B
12.06

L/BL/BL/B
L/BL/B
177.80(7'')5.87S






6.91SS





8.05
S/L/BL/BL/BL/B


9.19
S/L/BL/BL/BL/B
L/B
10.36

L/BL/BL/B
L/B
11.51

L/BL/BL/B
L/B
12.65

L/BL/BL/B
L/BL/B
13.72

L/BL/BL/B
L/BL/B


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H4e6501850dc44b039483798e20e12725n_副本

H914024cd731d479b9cd7d85782e73756y_副本

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