Company Details
  • Torich International Co.,Ltd--The Steel Tube Maker

  •  [Zhejiang,China]
  • Business Type:Distributor/Wholesaler , Manufacturer , Service , Trade Company
  • Main Mark: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:31% - 40%
  • Certs:GB, ISO9001, ISO14001
  • Description:Seamless Steel Tubes for Drilling,High Straightness Seamless Steel Tubes,GB/T9808 Seamless Steel Tubes
Torich International Co.,Ltd--The Steel Tube Maker Seamless Steel Tubes for Drilling,High Straightness Seamless Steel Tubes,GB/T9808 Seamless Steel Tubes
Home > Products > Seamless Steel Tubes > GB/T9808 High Straightness Seamless Steel Tubes for Drilling

GB/T9808 High Straightness Seamless Steel Tubes for Drilling

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    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Incoterm: FOB,CFR,CIF,FCA,CPT
    Min. Order: 0.5 Ton
    Delivery Time: 30 Days

Basic Info

Model No.: GB/T9808

Type: Seamless, Seamless Steel Tube

Certification: API, CE, BSI, UL

Application: Drill Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Oil&Gas Well Drilling, Mining, Drilling

Technique: Cold Drawn

Material: Alloy Steel, 37SiMn 38CrMoAl 30CrMnSi 30CrMnSiA

Product Name: GB/T9808 High Straightness Seamless Steel Tubes For Drilling

Shape: Round

Length: 4-12.5m

OD: 33-340mm

WT: 2-28mm

Additional Info

Packaging: in wooden boxes or in hexagonal bundles

Productivity: 6000 Tons per Month

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 6000 Tons per Month

Certificate: ISO14001:2008, TS16949, CE PED, TUV, API,BV

HS Code: 7306900090

Port: Ningbo,Shanghai

Product Description

GB/T9808 High Straightness seamless steel tubes for Drilling


our products apply to geological core drilling,water well drilling,hydrogeoligical drill,casing material for engineering drilling,core tube material and casing coupling Seamless Steel Tubes,ordinary drill pipe material and drill pipe joint Seamless Steel Tubes,rope coring drill pipe material and drill pipe joint Seammless Steel Tubes,drill collar material and drill collar lock joint Seamless Steel Tubes.

We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.

Size:

OD:33-340mm WT:2-28mm L:4000mm-12500mm

Steel Grade:

ZT380,ZT490,ZT520,ZT540,ZT590,ZT640,ZT740

The Production method:

Hot rolling(extrusion) or cold drawing(rolling) seamless method.

Delivery State:

Hot rolling(extrusion)steel tubes should be delivered with hot rolling condition or hot finished.Cold drawn(rolling) steel tubes should be delivered with hot finished.

Surface quality

There is no visual visible cracks,rolling, folding,scarring and abscission layer in the internal and external surfaces of the steel pipe.

Test:

Tensile tast

Ultrasonic inspection

Eddy current inspection

Magnetic flux leakage inspection

Tolerance of Outer Diameter and Wall Thickness

Standard

Production Method

Tube Size

Tolerance

GB/T 9808-2008

Hot rolled

OD

(+1.0%D) or +0.65
(-0.5%D) -0.35

WT

≤10

(+15%S)or +0.45
(-10%S) -0.35

>10

(+12.5%S, -10%S)

Cold Drawn(rolled)

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

Mechanical Property

No.

Grade

Tensile Strangth Rm/MPa

Specifies the non-proportional extension strength Rp0.2/MPa

Percentage elongation after fracture

A/%

No less than

1

ZT380

640

380

14

2

ZT490

690

490

12

3

ZT520

780

520a

15b

4

ZT540

740

540

12

5

ZT590

770

590

12

6

ZT640

790

640

12

7

ZT740

840

740

10

a Grade ZT520 measure RP0.5

bGrade ZT520 use tensile sample S4 S5 or S6 in GB/T 228

Application:

Seamless Steel Tubes,Seamless Carbon Steel Tube,Oil Cylinder Steel Tube,Precision Seamless Steel Tube,Hydraulic Cylinder Steel TubeSeamless Steel Tubes,Seamless Carbon Steel Tube,Oil Cylinder Steel Tube,Precision Seamless Steel Tube,Hydraulic Cylinder Steel Tube


Looking for ideal Seamless Steel Tubes for Drilling Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the High Straightness Seamless Steel Tubes are quality guaranteed. We are China Origin Factory of GB/T9808 Seamless Steel Tubes. If you have any question, please feel free to contact us.

Product Categories : Seamless Steel Tubes

Product Images
  • GB/T9808 High Straightness Seamless Steel Tubes for Drilling
  • GB/T9808 High Straightness Seamless Steel Tubes for Drilling
  • GB/T9808 High Straightness Seamless Steel Tubes for Drilling
  • GB/T9808 High Straightness Seamless Steel Tubes for Drilling
  • GB/T9808 High Straightness Seamless Steel Tubes for Drilling
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