Product Details:
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Place of Origin: | Zhejiang China |
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Brand Name: | Torich |
Certification: | ISO |
Model Number: | GB/T9808 |
Payment & Shipping Terms:
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Minimum Order Quantity: | 5 Tons |
Price: | USD 700 Tons pet month |
Packaging Details: | In bundles or in wooden boxes packaging |
Delivery Time: | 4-6 Weeks |
Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Ability: | 500 Tons per Month |
Detail Information |
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WT: | 0.5mm-50mm | OD: | 5mm-420mm |
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Length: | 3450mm, 3500mm, Max12000mm | End Protector: | Plain / Beveled |
Delivery Condition: | Pickled And Annealed | Technics: | Cold Drawn |
High Light: | oil drill pipe,cold drawn steel pipe |
Product Description
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
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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
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.
FAQ
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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