Sign In | Join Free | My autoplansearch.com
autoplansearch.com
Products
Search by Category
Wholesale Marketplace
Home > Glass >

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

Categories Drill Steel Pipe
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
  • Haven't found right suppliers
  • Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
  • And this service is free of charge.
  • we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!
  • Submit Buying Request
    • Product Details
    • Company Profile

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

    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

      

    cold drawn steel pipe

      
    Quality GB/T 9808 Alloy Steel Grade Drill Steel Pipe , Mineral Mining Seamless Steel Tubes wholesale
    Send your message to this supplier
     
    *From:
    *To: TORICH INTERNATIONAL LIMITED
    *Subject:
    *Message:
    Characters Remaining: (0/3000)
     
    Inquiry Cart 0

    Friendly Links: www.everychina.com

    Home| Products| Suppliers| Quality Suppliers| Site Map |About Us |Contact Us |Help |关于我们 |联系我们

    Copyright © 2009 - 2024 autoplansearch.com. All rights reserved.