Specifications
Place of Origin :
China
Brand Name :
Torich
Model Number :
Geological Drilling Tube
Price :
NEGOTIATION
Packaging Details :
IN BUNDLES
Delivery Time :
45-60 DAYS
Payment Terms :
T/T L/C
Supply Ability :
20000 TONS PER YEAR
MOQ :
5 TONS
Certification :
IS09001 ISO14001 TS16949,DNV
Shape :
Round
Description

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

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

Size range: O.D.:6-95mm W.T.:1-10mm L:max12000mm

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

Oil and Mineral Mining Drill Pipes Oil and Mineral Mining Drill Pipes

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Oil and Mineral Mining Drill Pipes

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

Torich International Limited

Site Member
9 Years
zhejiang
Since 2008
Business Type :
Manufacturer, Importer, Exporter, Trading Company, Seller
Total Annual :
15000000-20000000
Employee Number :
100~200
Certification Level :
Site Member
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