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:Duplex Stainless Steel Pipes,Austenitic Ferritic Duplex,GB/T21833 Duplex Stainless Steel
Torich International Co.,Ltd--The Steel Tube Maker Duplex Stainless Steel Pipes,Austenitic Ferritic Duplex,GB/T21833 Duplex Stainless Steel
Home > Products > Duplex Stainless Steel Pipes > Austenitic-Ferritic Duplex Stainless Steel Pipe
Austenitic-Ferritic Duplex Stainless Steel Pipe

Austenitic-Ferritic Duplex Stainless Steel Pipe

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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: 5 Ton
    Delivery Time: 30 Days

Basic Info

Model No.: GB/T21833-2008

Standard: DIN, JIS, ASTM, GB

Technics: Cold Drawn

Alloy: Non-alloy

Keyword: Austenitic-Ferritic Stainless Pipe

Material: S31803, S32750, 254smo, 904L Etc

WT: 1-75mm

OD: 8-426mm

Length: 3000mm-12000mm

Sureface: Polished, Brightly, Anneled

Technique: Hot Rolled (W-H), Cold Drawn (W-C)

Additional Info

Packaging: Stainless Steel Pipes are packed in wooden boxes or bundles in seaworthy packing.

Productivity: 5000 tons/year

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: China (Zhejiang)

Supply Ability: 5000Tons per Year

Certificate: ISO9001,ISO14001,TS16949

Port: Shanghai,Ningbo

Product Description

Products Description

TORICH GB/T21833-2008 Austenitic-Ferritic Duplex Grade Stainless Steel Seamless Pipe
Standard GB/T21833 Austenitic-Ferritic Duplex Grade Stainless Steel Seamless Pipe
Matrial S31803(2205), S32750(2507), 254smo(31254), 904L
Size WT: 1mm-75mm OD: 8mm-426mm Length: as customers' requirement
Technique Hot Rolled (W-H), Cold Drawn (W-C)
Surface Treament Annealed, Brightly Annealed, Polish
Application For High pressure vessel, Petroleum exploitation, Chemical industry, Ship building
Test
Tension Test, Flaring Test, Flange Test,
Reverse Test, Hardness Test,
Hydrostatic or Nondestructive Electric Test etc

Chemical Composition

Steel Grade
C
max
Mn
max
Si
max
S
max
P
max
Cr
max
Ni
Mo
N Cu
S32750(SAF2507)
00Cr25Ni7Mo4N
0.03
1.20
0.8
0.020
0.035
24.0/
26.0
6.0/
8.0
3.0/
5.0
0.24/ 0.50
0.32
S31803(SAF2205)
00Cr22Ni5Mo3N
0.03
2.00
1.0
0.020
0.030
21.0/
23.0
4.5/
6.5
2.5/
3.5
0.08/
0.20
S31500(3RE60)
00Cr18Ni5Mo3Siz
0.03
1.2/2.00
1.4/2.00
0.030
0.030
18.0/
19.0

4.25/

5.25

2.5/
3.0
0.05/
0.10

Mechanical Properties

Steel Grade
σb(Mpa)≥
σs(Mpa)≥
δ(%)≥
Hardness
HB
HRC
S32750(SAF2507)
00Cr25Ni7Mo4N
800
550
15
310
32
S31803(SAF2205)
00Cr22Ni5Mo3N
620
450
25
290
30.5
S31500(3RE60)
00Cr18Ni5Mo3Siz
630
440
30
290
30.5

Product Show

QUALITY CONTROL:

1.Incoming Raw Material Inspection

2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

FAQ:

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us

Looking for ideal Duplex Stainless Steel Pipes Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Austenitic Ferritic Duplex are quality guaranteed. We are China Origin Factory of GB/T21833 Duplex Stainless Steel. If you have any question, please feel free to contact us.

Product Categories : Duplex Stainless Steel Pipes

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  • Austenitic-Ferritic Duplex Stainless Steel Pipe
  • Austenitic-Ferritic Duplex Stainless Steel Pipe
  • Austenitic-Ferritic Duplex Stainless Steel Pipe
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