Seamless Duplex Stainless Steel Pipes ,ASTM A790 S31803, S32750 , S32760 , S31254, S31304

Brand Name:YUHONG
Certification:ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASTM A790 S31803, S32750 , S32760 , S31254, S31304
Minimum Order Quantity:100KGS
Delivery Time:10days->
Payment Terms:T/T, L/C
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Location: Ningbo Zhejiang China
Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Product Details Company Profile
Product Details

Seamless Duplex Stainless Steel Pipes ASTM A789 S31803 (2205 / 1.4462), UNS S31803


Yuhong Holding Group is one of the largest Procurement Engineering and Contracting Group companies in China, 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


China Seamless Duplex Stainless Steel Pipes ,ASTM A790 S31803, S32750 , S32760 , S31254, S31304 supplier

Seamless Duplex Stainless Steel Pipes ,ASTM A790 S31803, S32750 , S32760 , S31254, S31304

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