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- XY-2
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- HXY-2T
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- HXY-8
- HXY-9
- HXY-44T
- HXY-44T(Diesel)
- XY-1
- XY-1A
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- BWF-400/10
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- BWF-240
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- BW-280/30
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- BW-1000/12
- BW-1500/12
- BW-150/1.5
- BW-160/10
- BW-250
- BW-320
- BW-350/13
- BW-350/14
- BW-1200/10
API Drill Pipe
Features
1. Tubes of API drill pipe adopt mechanical upsetting, twice upsetting per heating with high-speed forging, which is easy for refinement treatment.2. Nondestructive testing and ultrasonic testing are mandatory required for tubes and upset end. The minimum wall thickness should be 95% of theoretical calculated thickness, no longer to be 87.5%, and quality tolerance is +10%,0.
3. Tube upset provide defined taper length of minimum internal upset and knuckles R, according to NS-1 standard, which is for a better resisting fatigue life.
Note
1. During the relocation of steel grades drill pipes, the thread protector should be screwed on the threaded parts so as to protect it from damages.2. Thread sealing grease should be used when connecting the pipe and the joint, and hammer knocking should be prohibited.
Parameters of API Drill Pipe
|
Spec
|
Normal Weight ft-lbs |
Wall Thickness |
TJ OD |
TJ ID |
Pin Tong |
Box Tong |
Grade
|
Type of
upset
|
|
|
|
mm
|
mm
|
mm
|
mm
|
mm
|
|
|
|
2
3/8"
|
6.65
|
7.11
|
3
3/8"(85.7)
|
1
3/4"(44.5)
|
7"(177.8)
|
8"(203.2)
|
E,X,G
|
EU
|
|
2
7/8"
|
10.4
|
9.19
|
4
1/8"(104.8)
|
2"(50.8)
|
7"(177.8)
|
9"(228.6)
|
E,X,G,S
|
IU、EU
|
|
3
1/2"
|
9.5
|
6.45
|
4
3/4"(120.7)
|
2
11/16"(68.3)
|
8"(203.2)
|
10.5"(266.7)
|
E
|
IU、EU
|
|
3
1/2"
|
13.3
|
9.35
|
5"(127)
|
2
7/16"(61.9)
|
8"(203.2)
|
10.5"(266.7)
|
E,X,G,S
|
IU、EU
|
|
3
1/2"
|
15.5
|
11.4
|
5"(127)
|
2
9/16"(65.1)
|
8"(203.2)
|
10.5"(266.7)
|
E
|
IU、EU
|
|
3
1/2"
|
15.5
|
11.4
|
5
1/2"(139.7)
|
2
1/4"(57.2)
|
8"(203.2)
|
10.5"(266.7)
|
X,G,S
|
EU、IEU
|
|
4"
|
14.0
|
8.38
|
6"(152.4)
|
3"(76.2)
|
7"(177.8)
|
10"(254)
|
E,X,G,S
|
IU、EU
|
|
4"
|
15.7
|
9.65
|
5 1/4"(133.4)
|
2
9/16"(65.1)
|
9"(228.6)
|
12"(304.8)
|
E,X,G,S
|
IU、EU
|
|
4
1/2"
|
13.75
|
6.88
|
6
5/8"(168.3)
|
3
3/4"(95.3)
|
7"(177.8)
|
10"(254)
|
E
|
IU、EU
|
|
4
1/2"
|
16.6
|
8.56
|
6
1/4"(158.8)
|
3"(76.2)
|
7"(177.8)
|
10"(254)
|
E,X,G,S
|
EU、IEU
|
|
4
1/2"
|
20.0
|
10.92
|
6
1/4"(158.8)
|
3"(76.2)
|
7"(177.8)
|
10"(254)
|
E,X,G,S
|
EU、IEU
|
|
5"
|
19.5
|
9.19
|
6
5/8"(168.3)
|
3
1/2"(88.9)
|
7"(177.8)
|
10"(254)
|
X.G.S
|
IEU
|
|
5"
|
19.5
|
9.19
|
6
5/8"(168.3)
|
3
3/4"(95.3)
|
7"(177.8)
|
10"(254)
|
E
|
IU、EU
|
|
5"
|
25.6
|
12.7
|
6
5/8"(168.3)
|
3"(76.2)
|
7"(177.8)
|
10"(254)
|
X,G,S
|
IEU
|
|
5"
|
25.6
|
12.7
|
6
5/8"(168.3)
|
3
1/2"(88.9)
|
7"(177.8)
|
10"(254)
|
E
|
EU、IEU
|
|
5
1/2"
|
21.9
|
9.17
|
7"(177.8)
|
3
3/4"(95.3)
|
8"(203.2)
|
10"(254)
|
X,G,S
|
IEU
|
|
5
1/2"
|
24.7
|
10.54
|
7"(177.8)
|
4"(101.6)
|
8"(203.2)
|
10"(254)
|
E,X,G,S
|
IEU
|
|
5
7/8"
|
23.4
|
9.17
|
7"(177.8)
|
4
3/4"(120.7)
|
8"(203.2)
|
13"(330.2)
|
E,X,G,S
|
IEU
|
|
6
5/8"
|
25.2
|
8.38
|
8"(203.2)
|
5"(127)
|
8"(203.2)
|
11"(279.4)
|
E,X,G,S
|
IEU
|
|
6
5/8"
|
27.7
|
9.19
|
8
1/2"(215.9)
|
4
1/4"(107.9)
|
8"(203.2)
|
11"(279.4)
|
E,X,G,S
|
IEU
|
|
Longer
than standard Tong space available
|
||||||||
Parameters of API Drill Pipe Body
|
Grade
|
Spec of
Steel Grades Drill Pipes Body
|
Yield
Strength
|
|
Tensile
Strength
|
|
E.L.
|
Hardness
|
Charpy
Impact Energy
|
|
|
|
NACE Test %SMYS |
|
|
|
(Psi) Min. |
(Psi) Max. |
(Psi) Min. |
(Psi) Max. |
%
|
(HRC)
|
Temper- ature |
Specimen Size |
(ft-lb) Min.Average Impact Energy |
(ft-lb) Min.Single Impact Energy |
|
|
E-75
|
5DP
|
75000
|
105000
|
100000
|
Na
|
5DP
|
Na
|
Room
Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
X-95
|
5DP
|
95000
|
125000
|
105000
|
Na
|
5DP
|
Na
|
Room
Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
G-105
|
5DP
|
105000
|
135000
|
115000
|
Na
|
5DP
|
Na
|
Room
Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
S-135
|
5DP
|
135000
|
165000
|
145000
|
Na
|
5DP
|
Na
|
Room
Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
|
NS-1
|
135000
|
165000
|
145000
|
Na
|
5DP
|
Na
|
-20
|
10 × 7.5
|
59
|
48
|
Na
|
|
Z-140
|
DS-1
|
140000
|
160000
|
150000
|
Na
|
DS-1
|
Na
|
Room
Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
V-150
|
DS-1
|
150000
|
165000
|
160000
|
Na
|
DS-1
|
Na
|
Room
Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
SS-95
|
IRP
|
95000
|
110000
|
105000
|
130000
|
17Min
|
25Max
|
Room
Temperature
|
10 × 7.5
|
59
|
59
|
85
|
|
SS-105
|
IRP
|
105000
|
120000
|
115000
|
140000
|
17Min
|
25Max
|
Room
Temperature
|
10 × 7.5
|
59
|
59
|
85
|
Parameters of API Drill Pipe Tool Joint
|
Spec of Steel Grades Drill Pipes tool joint
|
Yield Strength
|
|
Tensile Strength
|
|
E.L.
|
Hardness
|
Charpy Impact Energy
|
|
|
|
NACE |
|
|
(Psi) |
(Psi) |
(Psi) |
(Psi) |
%
|
(HRC)
|
Temper- |
Specimen |
(ft-lb)
Average |
(ft-lb)
Single |
|
|
5DP
|
120000
|
Na
|
145000
|
Na
|
Na
|
Na
|
Room Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
NS-1
|
120000
|
Na
|
145000
|
Na
|
Na
|
Na
|
-20
|
10 × 10
|
40
|
35
|
Na
|
|
DS-1
|
120000
|
Na
|
145000
|
Na
|
Na
|
Na
|
Room Temperature
|
10 × 10
|
40
|
35
|
Na
|
|
IRP
|
110000
|
125000
|
125000
|
145000
|
15Min
|
30
|
Room Temperature
|
10 × 10
|
66
|
66
|
65
|
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