NON-MAG DRILLING TOOLS
Non-mag drill pipe / Non-mag drilling collar / Non-mag stablizer
Chemical Analysis :
| C |
Mn |
P |
S |
Si |
Cr |
Mo |
Ni |
N |
Nb |
Cu |
Al |
| ≤0.06 |
18.50 22.00 |
≤0.035 |
≤0.005 |
0.40-0.60 |
13.50-15.00 |
0.40-0.60 |
0.70-1.20 |
0.28-0.40 |
0.05-0.10 |
≤0.25 |
≤0.25 |
| The Allowed Tolerance of the Chemical Analysis Confirm to GB222-84. |
Mechanical Performance:
| Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
Impact Test (J) |
Hardness 1” under surface (HB) |
Permeability |
Magnetic Gradient |
| 758 |
689 |
≥18 |
≥64 |
280-341 |
≤1.010 |
≤0.05 |
Other drilling string products:
