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| Categories | Geological Drilling Steel Tubes |
|---|---|
| Brand Name: | Torich |
| Model Number: | 4130 4140 40MnVB 40MnMoB |
| Certification: | ISO 9001 |
| Place of Origin: | China |
| MOQ: | 5 tons |
| Price: | negotiable |
| Payment Terms: | T/T |
| Supply Ability: | 1000 tons per year |
| Delivery Time: | 5-8 days |
| Packaging Details: | in bundles |
| Company Info. |
| Torich International Limited |
| View Contact Details |
| Product List |
4130 4140 30CrMnSiA 45MnMoB 89X6 Wireline Geological Seamless Mining Dilling Oil Steel Tubes NT HT QT
Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and
sales company specialized in steel tubes, which holds the factories ofSeamless Mining Dilling Oil Steel Tubes with material
40MnVB 40MnMoB for Wireline Geological uasge.
1. Product Name:Geological Drill Pipes for Wire-line drilling rods
Core Tubes
2. The Steel Tube Materials:
SAE1541,AISI4130,4130,St52,45MnMoB,BL850/XJY850
3. The Steel Pipes can be finished as Stress relieved or Quenching
and Tempering process
4. Protective Atmosphere Heat Treatment, Surface is clean and
smooth, without oxide scale
5. Tubing Produced as DCDMA,ISO10097-1 Wireline Diamond Drilling
and Core Barrel
| Steel Name | Steel class | Tensile Strength Min.MPA | Yield Strength Min.MPA | Elongation Min % | Hardness HRC | Heat-treatment Condition | Residual hoop stress Max.MPA | Grain Size Min class |
| 45MnMoB | XJY600 | 790 | 600 | 14 | 21-25 | +N | / | 8 |
| 30CrMnSiA | XJY750 | 850 | 750 | 15 | 26-31 | Q+T | / | 8 |
| 42CrMo | XJY850 | 950 | 850 | 15 | 28-33 | Q+T | / | 8 |
| Deviation from straightness | Not more than 0,3 mm per 1 meter of length,total 1/6000 | |||
| Deviation from straightness | Not more than 0,25 mm per 0.2 meter of length from each of the end of pipe | |||
| Tolerance for BQ mother pipe | Deviation of the diameter is 55.75+0,2/-0,2mm, 46.15 +0,2/-0,2mm | |||
| Tolerance for NQ mother pipe | Deviation of the diameter is 70.1+0,15/-0,2mm, 60.4-0,3mm | |||
| Tolerance for HQ mother pipe | Deviation of the diameter is 89+0,38/-0,1mm, 78.1-0,48mm | |||
| Tolerance for PQ mother pipe | Deviation of the diameter is 114.3+0,50, 103.2-0,5mm | |||
| Eccentricity | Not more than 7% | |||
|
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