Drill Pipe
Our advanced inspection system can precisely detect the defects and check the dimensional tolerance to ensure API required 87.5 minimum percent wall thickness, and even provide 95 percent minimum wall thickness in every pipe.
|
Specification |
Grade |
Wall thickness |
Upset ends, for weld-on tool joint |
Tool joint designation |
||
|
Inch |
mm |
|
inch |
mm |
|
|
|
23/8 |
60.3 |
E.X.G.S |
0.190 |
4.83 |
EU |
NC26 |
|
|
|
|
0.280 |
7.11 |
EU |
NC26 |
|
27/8 |
73.0 |
E.X.G.S |
0.217 |
5.51 |
EU |
NC31 |
|
|
|
|
0.308 |
7.82 |
EU |
NC31, NC26 |
|
|
|
|
0.362 |
9.19 |
EU |
NC31 |
|
31/2 |
88.9 |
E.X.G.S |
0.254 |
6.45 |
EU |
NC38, NC40 |
|
|
|
|
0.368 |
9.35 |
EU |
NC38, NC40 |
|
|
|
|
0.449 |
11.40 |
EU |
NC40, NC46 |
|
4 |
101.6 |
E.X.G.S |
0.262 |
6.65 |
EU, IU |
NC40, NC46 |
|
|
|
|
0.330 |
8.38 |
EU, IU |
NC46, NC50 |
|
|
|
|
0.380 |
9.65 |
EU, IU |
NC46, NC50 |
|
41/2 |
114.3 |
E.X.G.S |
0.271 |
6.88 |
EU, IEU |
NC50 |
|
|
|
|
0.337 |
8.56 |
EU, IEU |
NC50 |
|
|
|
|
0.430 |
10.92 |
EU, IEU |
NC50 |
|
|
|
|
0.500 |
12.70 |
EU, IEU |
NC50 |
|
|
|
|
0.550 |
1397 |
EU, IEU |
NC50 |
|
|
|
|
0.575 |
14.61 |
EU, IEU |
NC50, 5 1/2FH |
|
5 |
127.0 |
E.X.G.S |
0.296 |
7.52 |
IEU |
5 1/2FH |
|
|
|
|
0.362 |
9.19 |
IEU |
5 1/2FH |
|
|
|
|
0.500 |
12.70 |
IEU |
5 1/2FH |
|
51/2 |
139.7 |
E.X.G.S |
0.304 |
7.72 |
IEU |
5 1/2FH |
|
|
|
|
0.361 |
9.17 |
IEU |
5 1/2FH |
|
|
|
|
0.415 |
10.54 |
IEU |
5 1/2FH |
|
6 |
152.4 |
E.X.G.S |
0.324 |
8.23 |
IEU |
5 1/2FH |
|
|
|
|
0.380 |
9.65 |
IEU |
5 1/2FH |
|
6 5/8 |
168.3 |
E.X.G.S |
0.330 |
8.38 |
IEU |
6 5/8FH |
|
|
|
|
0.362 |
9.19 |
IEU |
6 5/8FH |
Mechanical property
|
Steel grade |
Yield strength |
Tensile strength |
Elongation |
Akv J Impact |
||||
|
Min |
Max |
Min |
Min |
10 x 10 |
||||
|
psi |
Mpa |
psi |
Mpa |
psi |
Mpa |
% |
(-20°C) |
|
|
E75 |
75,000 |
517 |
105,000 |
724 |
100,000 |
689 |
API 5D |
≥95 |
|
X97 |
95,000 |
655 |
125,000 |
862 |
105,000 |
724 |
≥81 |
|
|
G105 |
105,000 |
724 |
135,000 |
931 |
115,000 |
793 |
≥68 |
|
|
S135 |
135,000 |
931 |
165,000 |
1138 |
145,000 |
1000 |
≥54 |
|
