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Low MOQ for for Duplex Seamless Boiler Tube Duplex Steel Seamless Tube ASME SA789/789M S31803 (2205 / 1.4462) export to Lesotho Exporter

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Our improvement depends on the highly developed gear ,outstanding talents and repeatedly strengthened technology forces for ASME SA789/789M S31803 2205 / 1.4462 Duplex Seamless Tube,ASME SA789/789M UNS S32750 1.4410 Duplex Seamless Pipe,Duplex Steel Pipe ASTM A790/790M S31803. We are also frequently hunting to determine relationship with new suppliers to deliver impressive and good option to our valued buyers.

Low MOQ for for Duplex Seamless Boiler Tube Duplex Steel Seamless Tube ASME SA789/789M S31803 (2205 / 1.4462) export to Lesotho Exporter

Detailed Product Description

Duplex Stainless Steel Tube, ASME SA789/789M S31803 (2205 / 1.4462), UNS S32750 (1.4410)


YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Russia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.


Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530

Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),

UNS32760(1.4501)


Chemical Composition


Grade

C

max

Si

max

Mn

max

P

max

S

max

Cr

Ni

Mo

N

UNS S32750

0.030

0.8

1.2

0.030

0.015

24.0-26.0

6.0-8.0

3.0-5.0

0.24-0.32

UNS S31803

0.030

1.0

2.0

0.020

0.020

21.0-23.0

4.5-6.5

2.5-3.5

0.08-0.20

UNS S31500

0.030

1.0

1.2-2.0

0.030

0.030

18.0-19.0

4.5-5.5

2.5-3.5

0.05-0.10


Physical Properties


Grade

Y.S.MPa min

T.S.Mpa min

Elongation %

Hardness HRC

UNS S32750

550

800

15

20

UNS S31803

450

620

25

20

UNS S31500

440

630

30

20



Duplex Stainless Steel Pipe Application:


Chemical processing, Transport and Storage.

Oil and gas exploration and offshore rigs.

Oil and gas refining.

Marine environments.

Pollution control equipment.

Pulp and paper manufacturing

Chemical process Plant


Some of the quality tests carried out by us includes:

Corrosion Test Conducted only when specially requested by the client
Chemical Analysis Test done as per required quality standards
Destructive / Mechanical Testing Tensile | Hardness | Flattening | Flare | Flange
Reverse-bend and Re. flat tests Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
Eddy Current Testing Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
Hydrostatic Testing 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
Air Under Pressure Test To check any evidence of air leakage
Visual Inspection After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections


Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

  • Eddy Current Testing
  • O.P Testing
  • Radiography Testing
  • Corrosion Testing
  • Micro Testing
  • Macro Testing
  • IGC Testing
  • Ultrasonic testing
  • Liquid Penetrate testing


Duplex Steel Seamless Tube ASME SA789M S31803 or SA789 S32205


"We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Duplex Steel Seamless Tube ASME SA789/789M S31803 (2205 / 1.4462). The product will supply to all over the world, such as: United States Minor Outlying Islands,Yugoslavia,Namibia. We have more than 10 years exported experience and our products have expored more than 30 countries around the word . We always hold the service tenet Client firstQuality first in our mindand are strict with product quality. Welcome your visiting!

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