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QT heat treatment treatment Drill Pipes for Oil and Mineral Mining

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QT heat treatment treatment Drill Pipes for Oil and Mineral Mining

Place of Origin : China

Brand Name : Torich

Model Number : Geological Drilling Tube

Price : NEGOTIATION

Packaging Details : IN BUNDLES OR WOODEN BOX

Delivery Time : 45-60 DAYS

Payment Terms : T/T L/C

Supply Ability : 20000 TONS PER YEAR

MOQ : 5 TONS

Certification : ISO9001,ISO14001,TS16949,DNV

Production Method : Cold Drawn

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

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Straightness, Concentricity, Mechanical Properties can meet the requirement of DCDMA (USA), BS4019 (UK), METRIC (SWEDEN)T600 T750 T800

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

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 Dimension:

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

QT heat treatment treatment Drill Pipes for Oil and Mineral Mining QT heat treatment treatment Drill Pipes for Oil and Mineral Mining

QT heat treatment treatment Drill Pipes for Oil and Mineral Mining


Product Tags:

Drilling tube

      

drilling pipe

      

mining tube

      
QT heat treatment treatment Drill Pipes for Oil and Mineral Mining Manufactures

QT heat treatment treatment Drill Pipes for Oil and Mineral Mining Images

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