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| Categories | Drill Steel Pipe |
|---|---|
| Brand Name: | TORICH |
| Model Number: | GB/T9808-2008 |
| Certification: | ISO9001, ISO14001, TS16949 |
| Place of Origin: | ZHEJIANG, CHINA |
| MOQ: | 5Tons |
| Price: | USD1000-2000/ton |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 2000Tons per Year |
| Delivery Time: | 30-45 work days |
| Packaging Details: | Seamless Drill Rods are packed in wooden boxes or hexagonal bundles in seaworthy packing. |
| Keyword: | Seamless Drill Rods |
| Material: | 45MnMoB,10#,20#,45#,4130,4140,16Mn etc |
| OD: | 5mm-420mm |
| WT: | 0.5mm-50mm |
| Length: | 3450mm, 3500mm, max12000mm |
| Production Method: | Seamless Or Welded |
| Delivery Condition: | Pickled and Annealed, or as customer's requirement |
| End Protector: | Plain / Beveled |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
Key Word | 45MnMoB Seamless Drill Tubes |
Material | 45MnMoB, 10#, 20#, 45#, 4130, 4140, 16Mn etc |
Size | OD: 5-420mm; WT: 0.5-50mm; Length: 3450mm, 3500mm, max12000mm |
Technique | Cold Drawn Seamless |
Application | For wire-line drill rods,core barel tubes,drill rods coupling
casing |
Chemical composition of 45MnMoB C: 0.41-0.49, Si: 0.17-0.37, Mn: 0.9-1.2, S: 0.04max, P: 0.04max, Mo: 0.2-0.3, B: 0.001-0.005 | |
Tolerance of Outer Diameter and Wall Thickness
Standard | Production Method | Tube Size | Tolerance | |
GB/T9808-2008 | Hot Rolled | OD | (+1.0%D) or +0.65 (-0.5%D) -0.35 | |
WT | ≤10 | (+15%S)or +0.45 (-10%S) -0.35 | ||
>10 | (+12.5%S, -10%S) | |||
Cold Drawn(rolled) | OD | ±0.50%D or ±0.20 | ||
WT | ±8%S or ±0.15 | |||
Q(N)/T118-2010 | Cold Drawn | OD | ±0.40%D or ±0.20 | |
WT | ±7%S or ±0.15 | |||
Mechanical Property
Steel Grade | Tensile Strangth Rm/MPa | Specifies the non-proportional extension strength Rp0.2/MPa | Percentage elongation after fracture A/% |
No less than | |||
ZT380 | 640 | 380 | 14 |
ZT490 | 690 | 490 | 12 |
ZT520 | 780 | 520a | 15b |
ZT540 | 740 | 540 | 12 |
ZT590 | 770 | 590 | 12 |
ZT640 | 790 | 640 | 12 |
ZT740 | 840 | 740 | 10 |
Product Show
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring
Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield
Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a
perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate
longitudinal and transversal defects.
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and
solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is
30-60 days if the goods are not in stock, it is according to
quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it
free or extra ?
A: Yes, we could offer the sample for free charge but need pay the
cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
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