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Duplex Stainless Steel Pipe, ASTM A789 S32760,S32750, S32550, S32304, S32750, S31500.

Duplex Stainless Steel Pipe, ASTM A789 S32760,S32750, S32550, S32304, S32750, S31500. thumbnail-1
Duplex Stainless Steel Pipe, ASTM A789 S32760,S32750, S32550, S32304, S32750, S31500. photo-1
Negotiable MOQ: 1 Meter (Price negotiable depending on order volume and customization)
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Brand Name:
YUHONG SPECIAL STEEL
Place of Origin:
China
Model Number:
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Yuhong Special Group
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Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days

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Brand Name YUHONG SPECIAL STEEL
Place of Origin China
Delivery Time:10days->
Certification:ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Duplex Stainless Steel Pipe, ASTM A789 S32760,S32750, S32550, S32304, S32750, S31500.

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

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Yuhong Special Group
Business Type
Trading Company
Total Employees
101 - 200 People
Main Markets
North America, South America, Eastern Europe
Location
Zhoushan, Zhejiang, China
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