PED ASME SA789 Duplex Steel Pipe , Duplex Stainless Steel 2205 For
Mechanical Structure Industry
Duplex 2205 is a nitrogen enhanced duplex stainless steel that was
developed to combat common corrosion problems encountered with the
300 series stainless steels . “ Duplex ” describes a family of
stainless steels that are neither fully austenitic , like 304
stainless , nor purely ferritic , like 430 stainless . The
structure of 2205 duplex stainless steel consists of austenite
pools surrounded by a continuous ferrite phase . In the annealed
condition , 2205 contains approximately 40 - 50 % ferrite . Often
referred to as the work horse grade , 2205 is the most widely used
grade in the duplex family of stainless steels .
The advantage of a duplex structure is that it combines the
favorable qualities of a ferritic alloy ( stress corrosion cracking
resistance and high strength ) with those of an austenitic alloy (
ease of fabrication and corrosion resistance ) .
Usage of 2205 Duplex stainless steel should be limited to
temperatures below 600° F . Extended elevated temperature exposure
can embrittle 2205 stainless .
|Material Grade||S32205 , S31803 , S32304 , S32750, F51 , F53 , 2205 , 2507 etc|
|Outer Diameter||10.3mm - 1219mm|
|Wall Thickness||1.24mm - 59.54mm|
|Length||as per customer’s requirement|
ASTM A789 ; ASTM A790 ; EN 10216-5ect .
1 . Petroleum
2 . Chemical industry
3 . Instrument
4 . Industrial transportation
5 . Mechanical structure industry
6 . Need high corrision ability pipe's industry , such as offshore
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