Tubería de perforación
Application: For well drilling
Tolerance on Dimensions
Item |
Tolerance |
|
| Pipe Body |
OD≤101.6mm |
+0.79mm |
| OD≥114.3mm |
+1% -0.5% |
|
| Single Lengths |
-12.5% |
|
| Weight |
+6.5% -3.5% |
|
Chemical composition and mechanical properties
| Grade |
Chemical Composition |
Mechanical Properties |
||
| P | S | Yield Strength(Mpa) |
Tensile Strength(Mpa) |
|
| E-75 |
≤0.020 |
≤0.015 |
517-724 |
≥689 |
| X-95 |
≤0.020 |
≤0.015 |
655-862 |
≥724 |
| G-105 |
≤0.020 |
≤0.015 |
724-931 |
≥793 |
| S-135 |
≤0.020 |
≤0.015 |
931-1138 |
≥1000 |