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Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Specifications
Place of Origin :
China
Brand Name :
Torich
Model Number :
Geological Drilling Tube
Price :
NEGOTIATION
Packaging Details :
IN BUNDLES
Delivery Time :
45-60 DAYS AFTER ORDER CONFIRMED
Payment Terms :
T/T L/C
Supply Ability :
20000 TONS PER YEAR
Certification :
ISO9001,ISO14001,TS16949,KR,LR
Type :
Drill Pipe
Machine Type :
Drilling Tool
Material :
Carbon Steel
Processing Type :
Forging
Use :
Ore Mining
Description

Torich is a professional steel tube maker and marketing company ,specialized in Cold drawn ,precision seamless ,DOM steel pipes and tubes.detail product is as below.

Seamless Drilling Pipes for Oil and Mineral Mining

Applications: For Geological Drill underground for Oil and mineral, for mining

Straightness, Concentricity, Mechanical Properties can meet the requirement of DCDMA (USA), BS4019 (UK), METRIC (SWEDEN)

Size range: O.D.:6-95mm W.T.:1-10mm L:max12m

Standard Producton Method Tube Size Tolerance
GB/T 9808-2008 Hot rolled OD (+1.0%D) +0.65
(-0.5%D) -0.35
WT ≤10 (+15%S) +0.45
(-10%S) -0.35
＞10 (+12.5%S, -10%S)
Cold drawn OD ±0.50%D or ±0.20
WT ±8%S or ±0.15
Q(N)/ T118-2010 Cold drawn OD OD ±0.40%D or ±0.20
WT WT ±7%S or ±0.15

Normal Sizes:

Designation Outside Diameter (mm) Inside Diameter (mm)
Min Max Min Max
A Wireline 44.45 44.70 34.82 35.07
B Wireline 55.55 55.90 45.95 46.30
N Wireline 69.95 70.30 60.05 60.30
H Wireline 88.90 89.38 77.62 78.10
P Wireline 114.30 114.78 102.79 103.27

Mechanical Properties:

Stee Grade Tensile Strength
Mpa min		 Yield Strength
Mpa min		 Elongation
% min		 HRC Heat Treatment
T600 790 600 14 ~ N
T750 850 750 14 26-31 QT
T850 950 850 14 28-33 QT

Chemical composition

Stee Grade C Si Mn P max S max Cu max Cr Mo B
T600
(45MnMoB)		 0.43-0.48 0.17-0.37 1.05-1.35 0.02 0.015 0.20 ~ 0.20-0.25 0.001-
0.005
T750
(30CrMnSiA)		 0.28-0.34 0.90-1.20 0.80-1.10 0.02 0.015 0.20 0.8-1.1 ~ ~
T850
4140		 0.38-0.43 0.17-0.35 0.70-0.90 0.02 0.015 0.20 0.9-1.1 0.15-
0.25		 ~

Mechanical Properties:

Steel Tensile Strength Mpa Yield Point Mpa Elongation % Heat treatment
Grade min
ZT380 640 380 14 Normlized
ZT490 690 490 12 Normlized
ZT540 740 590 12 Normlized
ZT590 770 590 12 Normlized
ZT640 790 640 12 QT
ZT740 840 740 10 QT
T850 950 850 15 QT

Drilling Seamless Pipes for Oil and Mineral Mining Drilling Seamless Pipes for Oil and Mineral Mining

Drilling Seamless Pipes for Oil and Mineral Mining

Product tags

weld copper pipes

,

drill pipe for geothermal

,

used drilling pipe
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Drilling Seamless Pipes for Oil and Mineral Mining

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Product Detail
Place of Origin :
China
Brand Name :
Torich
Model Number :
Geological Drilling Tube
Price :
NEGOTIATION
Packaging Details :
IN BUNDLES
Delivery Time :
45-60 DAYS AFTER ORDER CONFIRMED
Contact Supplier
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining
Drilling Seamless Pipes for Oil and Mineral Mining

Torich International Limited

Site Member
9 Years
zhejiang
Since 2008
Business Type :
Manufacturer, Importer, Exporter, Trading Company, Seller
Main Products :
Precision Seamless Steel Tubes, DOM Steel Tubes, Welded Precision Steel Tubes
Total Annual :
15000000-20000000
Employee Number :
100~200
Certification Level :
Site Member
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