| Model: | 1 |
|---|---|
| Brand: | TORICH |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Piping Tubing |
| Label: | drill pipe , Mining tool , Metal pipes |
| Price: |
US $2000
/ ton
|
| Min. Order: | 5 ton |
| Last Online:03 Dec, 2015 |
Mining Tubes with Alloy steel grade Geological Drill tubes for Oil Mineral and Mining
Mining Tubes for Geological Drilling Mineral Mining
Applications: For Geological Drill underground for Oil and mineral, for mining
Straightness, Concentricity, Mechanical Properties can meet the requirement of DCDMA (USA), BS4019 (UK), METRIC (SWEDEN)
Size range: O.D.:6-95mm W.T.:1-10mm L:max12000mm
| Standard | Producton Method | Tube Size | Tolerance | |
| GB/T 9808-2008 | Hot rolled | OD | (+1.0%D) +0.65
(-0.5%D) -0.35 |
|
| WT | ≤10 | （+15%S） +0.45
(-10%S） -0.35 |
||
| ＞10 | （+12.5%S, -10%S) | |||
| Cold drawn | OD | ±0.50%D or ±0.20 | ||
| WT | ±8%S or ±0.15 | |||
| Q(N)/ T118-2010 | Cold drawn | OD | OD | ±0.40%D or ±0.20 |
| WT | WT | ±7%S or ±0.15 | ||
Normal Sizes:
| Designation | Outside Diameter (mm) | Inside Diameter (mm) | ||
| Min | Max | Min | Max | |
| A Wireline | 44.45 | 44.70 | 34.82 | 35.07 |
| B Wireline | 55.55 | 55.90 | 45.95 | 46.30 |
| N Wireline | 69.95 | 70.30 | 60.05 | 60.30 |
| H Wireline | 88.90 | 89.38 | 77.62 | 78.10 |
| P Wireline | 114.30 | 114.78 | 102.79 | 103.27 |
Mechanical Properties:
| Stee Grade | Tensile Strength
Mpa min |
Yield Strength
Mpa min |
Elongation
% min |
HRC | Heat Treatment |
| T600 | 790 | 600 | 14 | ~ | N |
| T750 | 850 | 750 | 14 | 26-31 | QT |
| T850 | 950 | 850 | 14 | 28-33 | QT |
Mechanical Properties:
| Steel | Tensile Strength Mpa | Yield Point Mpa | Elongation % | Heat treatment |
| Grade | Min | |||
| ZT380 | 640 | 380 | 14 | Normlized |
| ZT490 | 690 | 490 | 12 | Normlized |
| ZT540 | 740 | 590 | 12 | Normlized |
| ZT590 | 770 | 590 | 12 | Normlized |
| ZT640 | 790 | 640 | 12 | QT |
| ZT740 | 840 | 740 | 10 | QT |
| T850 | 950 | 850 | 15 | QT |
| Payment Terms: | T/T L/C or Upon negotiation |
|---|---|
