sseamless oil drilling pipe

1.OD:23/8--5 1/2
2.Grade:E-75 X-95 G-105 S-135
3.upset:EU IEU IU
4.high quality
5.drill pipe

we have advanced equipment of home and abroad ,such as 150-ton hydraulic straightening machine ,1250 tons tube upsetting machine from USA,Aytomatic hardening and temering furnace ,130 tons of friction welding machines ,ultrasonic reflectoscope ,hardness tester ,and magnetic particle inspection .So we can produce all kinds of pipes you need .and we insist that "the quality of product is the life of a company".
According to the customer's requirements ,drill pipes joints of equivalent grade are matched; in addition ,the drill pipe joints are ensured to comply with API SPEC 7-1 standard.
Oil Drill Pipe
(E.X.G.S)
Size (inch)
Nominal Weight
Calculated Plain-End weight
Outside Diam.
Wall Thickness
Lb/ft
kg/m
Inch
mm
Inch
mm
2-3/8’’
6.65
6.26
9.32
2.375
60.3 mm
0.280
7.11 mm
2-7/8’’
10.40
9.72
14.48
2.875
73.0 mm
0.362
9.19 mm
3-1/2’’
9.50
8.81
13.12
3.500
88.9 mm
0.254
6.45 mm
3-1/2’’
13.30
12.31
18.34
3.500
88.9 mm
0.368
9.35 mm
3-1/2’’
15.50
14.63
21.79
3.500
88.9 mm
0.449
11.40 mm
4’’
14.00
12.93
19.26
4.000
101.6 mm
0.330
8.38 mm
4-1/2’’
13.75
12.24
18.23
4.500
114.3 mm
0.271
6.88 mm
4-1/2’’
16.60
14.98
22.31
4.500
114.3 mm
0.337
8.56 mm
4-1/2’’
20.00
18.69
27.84
4.500
114.3 mm
0.430
10.92 mm
5’’
16.25
14.87
22.15
5.000
127.0 mm
0.296
7.52 mm
5’’
19.50
17.93
26.71
5.000
127.0 mm
0.362
9.19 mm
5’’
25.60
24.03
35.79
5.000
127.0 mm
0.500
12.70 mm
The grades are : E-75 X-95 G-105 S-135
Upset: IU EU and IEU