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1.4462/2205 Duplex Stainless Steel Seamless Tubes

  • FOB PriceUSD 800 - 30,000/Piece
  • PortNingbo or Shanghai
  • MOQ1 Tons
  • Supply Ability1000 Tons Per Month
  • Payment TermsL/C,T/T,Western Union
  • PackagingSeaworthy plywood cases or pallets
  • Delivery7 - 25 days

Detailed description

Quick Details

  • Standard: AISI, ASTM, GB, DIN, EN
  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Yaang
  • Type: Duplex Stainless Steel Seamless Tubes
  • Steel Grade: Duplex Stainless Steel
  • Application: Oil, Water, Gas, Plant, Medical, Paper Industries.
  • Thickness: 2.5 - 50 mm
  • Outer Diameter: 6mm - 710mm
  • Length: max 13m


Packaging & Delivery


Packaging Details: Seaworthy Package
Delivery Detail: 7 to 25 days up to the quantity and production plan.

Specifications

1.4462/2205 Duplex Stainless Steel Seamless Tubes
1.Material: S31803/S31500/S32750 ETC
2.O.D: 6mm - 710mm, Thickness: 2.5 - 50mm

 

Grade Duplex 2205 (UNS S32205/S31803)

Duplex 2205 is the most widely used duplex (ferritic/austenitic) stainless steel grade. It finds applications due to both excellent corrosion resistance and high strength.

The standard S31803 composition has over the years been refined by many steel suppliers, and the resulting restricted composition range was endorsed as UNS S32205 in 1996. S32205 gives better guaranteed corrosion resistance, but much of the S31803 currently produced also complies with S32205.

2205 is not generally suitable for use at temperatures above 300° C as it suffers from precipitation of brittle micro - constituents, nor below - 50° C because of its ductile - to - brittle - transition.

   Chemical Composition, %

Cr

Ni

Mo

C

N

22.0 - 23.0

4.50 - 6.50

3.00 - 3.50

.030 Max

0.14 - 0.20

Mn

Si

P

S

Fe

2.00 Max

1.00 Max

.030 Max

.020 Max

Balance

   More Products

Applications of Duplex 2205

  • Chemical process vessels, piping and heat exchangers
  • Pulp mill digesters, bleach washers, chip pre - steaming vessels
  • Food processing equipment
  • Oil field piping and heat exchangers
  • Flue gas desulfurization equipment

Corronsion Resistance

  • Excellent general corrosion resistance; superior to Grade 316 in most environments. Excellent resistance to localised corrosion including intergranular, pitting and crevice corrosion; the CPT of duplex 2205 is generally at least 35° C. The grade is also resistant to chloride stress corrosion cracking (SCC) at temperatures of up to about 150° C. Grade duplex 2205 will often perform well in environments which cause premature failure of austenitic grades. It has better resistance to sea water than grade 316.

Heat Resistance

  • Although duplex 2205 has good high temperature oxidation resistance this grade, like other duplex stainless steels, suffers from embrittlement if held for even short times at temperatures above 300° C. If embrittled this can only be rectified by a full solution annealing treatment. Duplex stainless steels are almost never used above 300° C.

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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