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

Product Details:
Place of Origin: Zhejiang China
Brand Name: Torich
Certification: ISO
Model Number: GB/T9808
Payment & Shipping Terms:
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

WT: 0.5mm-50mm OD: 5mm-420mm
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

Products Description

 

TORICH Cold Drawn Seamless Steel Tube 45MnMoB For Wire - Line Drill Rods
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

 

GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods 0

 

 

GB/T9808 Oil Drill Steel Pipe Pickled And Annealed For Drill Rods 1

 

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

 

Get in touch with us

Enter Your Message

sales7@steel-tubes.com
+8613736164628
+8613736164628
torichinternational
+86-13736164628
torichinternational@yahoo.com
174524687
174524687
+86-13736164628