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Duplex Stainless Steel Round Bar S32900 S31803 S32205 Corrosion Resistant

  • FOB PriceUSD 5,00- 30,000/Piece
  • PortNingbo or Shanghai Port
  • MOQ1 Piece/Ton
  • Supply Ability1000 Tons Per Month
  • Payment TermsL/C,T/T,Western Union,MoneyGram
  • PackagingSeaworthy plywood cases or pallets
  • Delivery7- 20days

Detailed description

Quick Detail:

      NameDuplex Stainless Steel Round Bar S32900 S31803 S32205 Corrosion Resistant

      Place of OriginZhejiang, China (Mainland)    Brand NameYaang

      ShapeDuplex Stainless Steel Round Bar       MaterialDuplex Stainless Steel

      Steel GradeS32900, S31803, S32205 ...


Packaging & Delivery

Packaging Detail: according to customer's require or export's standard
Delivery Detail: 7 - 20 days after confirmation


Specifications:

Application: Construction, chemical, shipbuilding, machine - made Household Industry Material Grade: S32900, S31803, S32205
Outer Diameter: 6mm - 630mm Standard: ASTM
Surface Finishing: Black, Bright, Polished, Peeled

 

 

S32900 Duplex Stainless Steel Round Bar & Super Duplex Stainless Steel Round Bar:


Duplex alloys were originally created to combat corrosion problems caused by chloride - bearing cooling waters and other aggressive chemical process fluids. Called Duplex because of its mixed micro - structure with about equal proportions of ferrite and austenite, duplex stainless steels are a family of grades, which range in corrosion performance depending on their alloy content. The chemical composition based on high contents of Cr and Mo, improves intergranular and pitting corrosion resistance, respectively. Additions of nitrogen can promote structural hardening by interstitial solid solution mechanism, which raises the yield strength and ultimate strength values without impairing toughness. Moreover, the two - phase micro - structure guarantees higher resistance to pitting and stress corrosion cracking in comparison with conventional stainless steels.

 

Composition of Duplex Stainless Steels:

The table lists the duplex stainless steels covered in ASTM specifications for flanges, pipes, pipe fittings and bar products.

 

UNS Number
Duplex Grades

Typeb

C

Mn

P

S

Si

Cr

Ni

Mo

N

Cu

S31200

-

0.030

2.00

0.045

0.030

1.00

24.0 - 26.0

5.5 - 6.5

1.20 - 2.00

0.14 - 0.20

-

S31260

-

0.03

1.00

0.030

0.030

0.75

24.0 - 26.0

5.5 - 7.5

2.5 - 3.5

0.10 - 0.20

0.20 - 0.80

S31803

-

0.030

2.00

0.030

0.020

1.00

21.0 - 23.0

4.5 - 6.5

2.5 - 3.5

0.08 - 0.20

-

S32001

-

0.030

4.0 - 6.0

0.040

0.030

1.00

22.0 - 23.0

1.00 - 3.00

0.60

0.05 - 0.17

1.00

S32205

2205

0.030

2.00

0.030

0.020

1.00

19.5 - 21.5

4.5 - 6.5

 

0.14 - 0.20

-

S32304

2304

0.030

2.50

2.50

0.030

1.00

21.5 - 24.5

3.0 - 5.5

0.05 - 0.60

0.05 - 0.20

0.05 - 0.60

S32520

-

0.030

1.50

0.035

0.035

0.80

24.0 - 26.0

5.5 - 8.0

3.0 - 4.0

0.20 - 0.35

0.50 - 2.00

S32550

255

0.04

1.50

0.040

0.030

1.00

24.0 - 27.0

4.5 - 6.5

2.9 - 3.9

0.10 - 0.25

1.5 - 2.5

S32750

2507

0.030

1.20

0.035

0.020

0.80

24.0 - 26.0

6.0 - 8.0

3.0 - 5.0

0.24 - 0.32

0.50

S32760

-

0.030

1.00

0.030

0.010

1.00

24.0 - 26.0

6.0 - 8.0

3.0 - 4.0

0.20 - 0.30

0.50 - 1.00

S32900

329 d

0.06

1.00

0.040

0.030

0.75

23.0 - 28.0

2.5 - 5.0

1.0 - 2.0

 

-

S32950

-

0.03

2.00

0.035

-

 

-

 

-

 

-

 

BENEFITS

High strength

High resistance to pitting, crevice corrosion resistance.

High resistance to stress corrosion cracking, corrosion fatigue and erosion,

Good sulfide stress corrosion resistance,

Low thermal expansion and higher heat conductivity than austenitic steels,

Good workability and weldability,

High energy absorption.

 

 More Products

APPLICATIONS FIELD :

 

1. Pipe and Tubes for petrochemical industry

2. Pharmaceutical industry  
3. Food industry
4. Aviation and aerospace industry

5. Architectural decoration industry

If any inquiry about products, please feel free to contact us sales@yaang.com

Related products:More>>

Tel No:+86-18267732328 / Fax No :86-0577-56809281 / Email:sales@yaang.com
Address:Longwan District, Wenzhou, Zhejiang Province, China.

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