Sign In | Join Free | My disqueenfrance.com
disqueenfrance.com
TORICH INTERNATIONAL CO.,LTD
TORICH INTERNATIONAL CO.,LTD The Steel Tube Maker
Home > Drill Steel Pipe >

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

TORICH INTERNATIONAL CO.,LTD
Trust Seal
Verified Supplier
Credit Check
Supplier Assessment
TORICH INTERNATIONAL CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Tel: 86-574-88086983
Contact Person:
Mr Richard SHEN

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
Contact Now

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


Material: 37SiMn 38CrMoAl 30CrMnSi(A)


Heat treatment: Normalized, Q+T


Chemical Compositon

CHEMICAL COMPOSITION % max
PS
0.0300.030

Bending Degree

Nominal Wall Thickness/mmBending Degree/(mm/m)
≤15≤1.5
>15≤2.0

The bending degree of the wire-line drill rod is not larger than 1.0 mm per meter.


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
~

Testing items and sampling quantity for steel tube

Serial numberTesting itemSampling quantity
1Chemical composition1 sample from each furnace
2Tensile test1 sample from each batch
3Ultrasonic examinationAll
4Eddy current testAll
5Magnetic flux leakage testAll

Grade comparison table

This standardJIS G 3465-2006Related industry standard
ZT380DZ240
ZT490DZ250
ZT520STM-R780
ZT540DZ255
ZT590DZ260
ZT640DZ265
ZT740DZ275

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

      
China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

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

Inquiry Cart 0
Send your message to this supplier
 
From:
Enter your email please.
To: TORICH INTERNATIONAL CO.,LTD
Subject:
Message:
Characters Remaining: (0/3000)
 
Inquiry Cart 0