
1541G105 S135 Thread Types Coupling Drill Steel Pipe DZ60 DZ50
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 5Tons | Price : | USD1000-2000/ton |
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Packaging Details : | Seamless Drill Rods are packed in wooden boxes or hexagonal bundles in seaworthy packing. | Delivery Time : | 30-45 work days |
Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability : | 2000Tons per Year |
Place of Origin: | ZHEJIANG, CHINA | Brand Name: | TORICH |
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Certification: | ISO9001, ISO14001, TS16949 | Model Number: | GB/T9808-2008 |
Detail Information |
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Keyword: | Seamless Drill Rods | Material: | 45MnMoB,10#,20#,45#,4130,4140,16Mn Etc |
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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 |
High Light: | oil drill pipe,cold drawn steel pipe |
Product Description
Key Word
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45MnMoB Seamless Drill Tubes
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Material
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45MnMoB, 10#, 20#, 45#, 4130, 4140, 16Mn etc
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Size
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OD: 5-420mm; WT: 0.5-50mm; Length: 3450mm, 3500mm, max12000mm
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Technique
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Cold Drawn Seamless
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Application
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For wire-line drill rods,core barel tubes,drill rods coupling casing
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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
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Production Method
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Tube Size
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Tolerance
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GB/T9808-2008
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Hot Rolled
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OD
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(+1.0%D) or +0.65
(-0.5%D) -0.35
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WT
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≤10
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(+15%S)or +0.45
(-10%S) -0.35
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>10
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(+12.5%S, -10%S)
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Cold Drawn(rolled)
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OD
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±0.50%D or ±0.20
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WT
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±8%S or ±0.15
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Q(N)/T118-2010
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Cold Drawn
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OD
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±0.40%D or ±0.20
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WT
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±7%S or ±0.15
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Mechanical Property
Steel Grade
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Tensile Strangth Rm/MPa
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Specifies the non-proportional extension strength Rp0.2/MPa
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Percentage elongation after fracture
A/% |
No less than
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ZT380
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640
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380
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14
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ZT490
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690
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490
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12
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ZT520
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780
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520a
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15b
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ZT540
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740
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540
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12
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ZT590
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770
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590
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12
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ZT640
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790
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640
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12
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ZT740
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840
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740
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10
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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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