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TORICH INTERNATIONAL CO.,LTD
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GB/T 9808 Alloy Steel Grade Drill Steel Pipe , Mineral Mining Seamless Steel Tubes

TORICH INTERNATIONAL CO.,LTD
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TORICH INTERNATIONAL CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Tel: 86-574-88086983
Contact Person:
Mr Richard

GB/T 9808 Alloy Steel Grade Drill Steel Pipe , Mineral Mining Seamless Steel Tubes

Brand Name : Torich
Model Number : GB/T 9808
Certification : ISO14001:2008, TS16949, CE PED, TUV, API,BV
Place of Origin : Zhejiang, China
MOQ : 2 TON
Price : 1000-3000 / Ton
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 20000 Ton/Tons per Year
Delivery Time : 30-40 work days
Packaging Details : in wooden boxes or in hexagonal bundles
Name : GB/T 9808 Alloy Steel Grade Oil Drill Mineral Mining Seamless Steel Tubes
Technique : Cold Drawn
Surface : oiled
Usage : Oil Drill Mineral Mining
Material : ZT380,490,520,540,590,640,740
OD : 6-420mm
WT : 0.5-50mm
Length : 4000-12500mm
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Product Name: GB/T 9808 Alloy Steel Grade Oil Drill Mineral Mining Seamless Steel Tubes

Size range: O.D.:6-420mm W.T.:0.5-50mm L:4000-12500mm according to customers' actual application and production.


Application : For Geological Drill underground for Oil and Mineral, for Mining Exploration,for Wire Line Drill Rod, Casing Tube, Core Barrel Tubes, Couplings


Steel Grade: ZT380,ZT490,ZT520,ZT540,ZT590,ZT640,ZT740


Heat treatment: Normalized, Q+T


Chemical Compositon

CHEMICAL COMPOSITION % max
PS
0.0300.030

Tolerance

StandardProducton MethodTube SizeTolerance
GB/T 9808-2008Hot rolledOD(+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 DrawnOD±0.50%D or ±0.20
WT±8%S or ±0.15
Q(N)/ T118-2010Cold DrawnODOD±0.40%D or ±0.20
WTWT±7%S or ±0.15

Chemical composition

Stee GradeCSiMnP maxS maxCu maxCrMoB
T600
(45MnMoB)
0.43-0.480.17-0.371.05-1.350.020.0150.20~0.20-0.250.001-
0.005
T750
(30CrMnSiA)
0.28-0.340.90-1.200.80-1.100.020.0150.200.8-1.1~~
T850
4140
0.38-0.430.17-0.350.70-0.900.020.0150.200.9-1.10.15-
0.25
~

Mechanical Properties:

SteelTensile Strength MpaYield Point MpaElongation %Heat treatment
Grademin
ZT38064038014Normlized
ZT49069049012Normlized
ZT54074059012Normlized
ZT59077059012Normlized
ZT64079064012QT
ZT74084074010QT
T85095085015QT

Product Picture:




Tag: Drill Steel Pipe


Product Tags:

Oil Drill pipe

      

drilling steel pipe

      
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GB/T 9808 Alloy Steel Grade Drill Steel Pipe , Mineral Mining Seamless Steel Tubes Images

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