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GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods

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Buy cheap GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods from wholesalers
  • Buy cheap GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods from wholesalers
  • Buy cheap GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods from wholesalers
  • Buy cheap GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods from wholesalers
  • Buy cheap GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods from wholesalers

GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods

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Brand Name:Torich
Model Number:GB/T9808
Certification:ISO
Price:USD 700 Tons pet month
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:500 Tons per Month
Delivery Time:4-6 Weeks
Company Data
Verified Supplier
Contact Person Richard SHEN
Business Type: Manufacturer Distributor/Wholesaler Importer Exporter Trading Company Seller
Officials: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Quality: Quality Certifitation Available
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Product Details Company Profile
Product Details
Products Description

TORICH Cold Drawn Seamless Steel Tube 45MnMoB For Wire - Line Drill Rods
Key Word45MnMoB Seamless Drill Tubes
Material45MnMoB, 10#, 20#, 45#, 4130, 4140, 16Mn etc
SizeOD: 5-420mm; WT: 0.5-50mm; Length: 3450mm, 3500mm, max12000mm
TechniqueCold Drawn Seamless
ApplicationFor 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

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GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods


GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods


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.


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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