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Model No.: GB/T9808
Brand: TORICH
Standard: GB
Technics: Cold Drawn
Alloy: Alloy
OD: 5mm-420mm
Production Method: Seamless Or Welded
End Protector: Plain / Beveled
Delivery Condition: Pickled And Annealed Or As Customer's Requirement
Keyword: Seamless Drill Rods
Material: 45MnMoB,10#,20#,45#,4130,4140,16Mn Etc
WT: 0.5mm-50mm
Length: 3450mm, 3500mm, Max12000mm
Packaging: Seamless Drill Pipes are packed in wooden boxes or bundles in seaworthy packing.
Productivity: 20000 tons/year
Transportation: Ocean,Land,Air
Place of Origin: China (Zhejiang)
Supply Ability: 5000Tons per Year
Certificate: ISO9001,ISO14001,TS16949
Port: Shanghai,Ningbo
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
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
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
Product Categories : Drilling Steel Pipes
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.