Standard：API SPEC 5CT Standard.
Use:Seamless steel tubes for oil tubing in oil and gas well. Tubing is mounted in the production casing after the oil well is dig and cemented, it is seamless pipe to transport oil gas to ground surface.
Steel grade:J55, K55, N80, L80, C90, T95, P110, Q125
Size:1.05”~4 1/2” for Seamless Tubing
Length:R1/R2/R3
Dimensional tolerances:
|
Types of
steel tubes
|
Outer diameter
|
Wall thickness
|
|
Hot-rolled tubes
|
Tube sizes(mm)
|
Tolerances(mm)
|
Tolerances(mm)
|
|
＜114.3
|
±0.79
|
-12.5%
|
|
≥114.3
|
-0.5%, +1%
|
Mechanical properties:
|
Standard
|
Models of steel tubes
|
Tensile strength (MPa)
|
Yield strength (MPa)
|
Elongation (%)
|
Hardness
|
|
API SPEC 5CT
|
J55
|
≥517
|
379~552
|
check the table
|
≤241HB
|
|
K55
|
≥517
|
≥655
|
|
N80
|
≥689
|
552~758
|
|
L80(13Cr)
|
≥655
|
552~655
|
|
P110
|
≥862
|
758~965
|
Chemical Composition:
|
Standard
|
Models of steel tubes
|
Chemical compositions （%）
|
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
Mo
|
V
|
Als
|
|
API SPEC 5CT
|
J55K55 (37Mn5)
|
0.34~ 0.39
|
0.2~ 0.35
|
1.25~ 1.5
|
≤0.02
|
≤0.015
|
≤0.15
|
≤0.20
|
≤0.20
|
|
|
≤0.02
|
|
N80 (36 Mn2V)
|
0.34~ 0.38
|
0.2~ 0.35
|
1.45~ 1.7
|
≤0.02
|
≤0.015
|
≤0.15
|
|
|
|
0.11~ 0.16
|
≤0.02
|
|
L80 (13Cr)
|
0.15~ 0.22
|
≤1.0
|
0.25~ 1.0
|
≤0.02
|
≤0.010
|
12.0~ 14.0
|
≤0.20
|
≤0.20
|
|
|
≤0.02
|
|
P110 (30CrMo)
|
0.26~ 0.35
|
0.17~ 0.37
|
0.40~ 0.7
|
≤0.02
|
≤0.010
|
0.8~1.1
|
≤0.20
|
≤0.20
|
0.15~ 0.25
|
≤0.08
|
≤0.02
|
Note: Also we can supply you pup joint and coupling(coupling stock and coupling blank)for tubing and Casing, as well as for weld pipe.
|
Size
|
Linear Mass
lb/ft
|
Outside Diameter
|
Wall thickness
|
Type of end-finish
|
|
Grade
|
|
Non
Upset
T&C
|
Ex-Upset
T&C
|
In
|
mm
|
mm
|
H-40
|
J-55
|
L-80
|
N-80 Type1,Q
|
C-90
|
T-95
|
P-110
|
|
1.050”
|
1.14
|
1.20
|
1.050
|
26.67
|
2.87
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
--
|
|
1.48
|
1.54
|
1.050
|
26.67
|
3.91
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
|
1.315”
|
1.70
|
1.80
|
1.315
|
33.40
|
3.38
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
--
|
|
2.19
|
2.24
|
1.315
|
33.40
|
4.45
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
|
1.660”
|
2.09
|
--
|
1.660
|
42.16
|
3.18
|
PI
|
PI
|
--
|
--
|
--
|
--
|
--
|
|
2.30
|
2.40
|
1.660
|
42.16
|
3.56
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
--
|
|
3.03
|
3.07
|
1.660
|
42.16
|
4.85
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
|
1.900”
|
2.40
|
--
|
1.900
|
48.26
|
3.18
|
PI
|
PI
|
--
|
--
|
--
|
--
|
--
|
|
2.75
|
2.90
|
1.900
|
48.26
|
3.68
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
PNUI
|
--
|
|
3.65
|
3.73
|
1.900
|
48.26
|
5.08
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
|
4.42
|
--
|
1.900
|
48.26
|
6.35
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
5.15
|
--
|
1.900
|
48.26
|
7.62
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
2.063”
|
3.24
|
--
|
2.063
|
52.40
|
3.96
|
PI
|
PI
|
PI
|
PI
|
PI
|
PI
|
--
|
|
4.50
|
--
|
2.063
|
52.40
|
5.72
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
|
2 3/8”
|
4.00
|
--
|
2.375
|
60.33
|
4.24
|
PN
|
PN
|
PN
|
PN
|
PN
|
PN
|
--
|
|
4.60
|
4.70
|
2.375
|
60.33
|
4.83
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
|
5.80
|
5.95
|
2.375
|
60.33
|
6.45
|
--
|
--
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
|
6.60
|
--
|
2.375
|
60.33
|
7.49
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
7.35
|
7.45
|
2.375
|
60.33
|
8.53
|
--
|
--
|
PU
|
--
|
PU
|
PU
|
--
|
|
2 7/8”
|
6.40
|
6.50
|
2.875
|
73.03
|
5.51
|
PNU
|
PUN
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
|
7.80
|
7.90
|
2.875
|
73.03
|
7.01
|
--
|
--
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
|
8.60
|
8.70
|
2.875
|
73.03
|
7.82
|
--
|
--
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
|
9.35
|
9.45
|
2.875
|
73.03
|
8.64
|
--
|
--
|
PU
|
--
|
PU
|
PU
|
--
|
|
10.50
|
--
|
2.875
|
73.03
|
9.96
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
11.50
|
--
|
2.875
|
73.03
|
11.18
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
3 1/2”
|
7.70
|
--
|
3.500
|
88.90
|
5.49
|
PN
|
PN
|
PN
|
PN
|
PN
|
PN
|
--
|
|
9.20
|
9.30
|
3.500
|
88.90
|
6.45
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
|
10.20
|
--
|
3.500
|
88.90
|
7.34
|
PN
|
PN
|
PN
|
PN
|
PN
|
PN
|
--
|
|
12.70
|
12.95
|
3.500
|
88.90
|
9.52
|
--
|
--
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
|
14.30
|
--
|
3.500
|
88.90
|
10.92
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
15.50
|
--
|
3.500
|
88.90
|
12.09
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
17.00
|
--
|
3.500
|
88.90
|
13.46
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
4”
|
9.50
|
--
|
4.000
|
101.60
|
5.74
|
PN
|
PN
|
PN
|
PN
|
PN
|
PN
|
PU
|
|
--
|
11.00
|
4.000
|
101.60
|
6.65
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
PU
|
|
13.20
|
--
|
4.000
|
101.60
|
8.38
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
16.10
|
--
|
4.000
|
101.60
|
10.54
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
18.90
|
--
|
4.000
|
101.60
|
12.70
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
22.20
|
--
|
4.000
|
101.60
|
15.49
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
4 1/2”
|
12.60
|
12.75
|
4.500
|
114.30
|
6.88
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
PNU
|
--
|
|
15.20
|
--
|
4.500
|
114.30
|
8.56
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
17.00
|
--
|
4.500
|
114.30
|
9.65
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
18.90
|
--
|
4.500
|
114.30
|
10.92
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
21.50
|
--
|
4.500
|
114.30
|
12.70
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
23.70
|
--
|
4.500
|
114.30
|
14.22
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
26.10
|
--
|
4.500
|
114.30
|
16.00
|
--
|
--
|
P
|
--
|
P
|
P
|
--
|
|
Non-Upset
Ex-Upset T&C
P—Plain pipe end
N—Non-upset
U—External upset
T&C— Threaded and Coupled
I—Integral joint
|
When inquiry please kindly specify below:
1. Steel Grade
2. Size of OD & ID
3. Connection: NU/EU/NEW WAM
4. Quantity
5. Port of destination if you need CRF or CIF price
6. Ideal delivery date if you need the goods urgently.
