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2205 duplex stainless steel round bar is a Ferrite - Austenitic stainless steel.It combines the beneficial properties of ferrite and austenite,with good resistance to chloride ion stress corrosion and sulfide stress corrosion.2205 duplex stainless steel is a highly sought-after material known for its exceptional strength, corrosion resistance, and versatility. This unique alloy is composed of a combination of austenitic and ferritic stainless steels, offering the best of both worlds. With its superior performance in various applications, 2205 duplex stainless steel has become a preferred choice for industries such as oil and gas, chemical processing, and marine environments. Discover the advantages and capabilities of this remarkable material that sets it apart from traditional stainless steels.
It could also be called SAF 2205, this is a Alleima-owned trademark for a 22Cr duplex stainless steel pipe. SAF derives from Sandvik Austenite Ferrite.
Standard:NAS 329J3L,UNS S32205/S31803,
DIN/EN 1.4462,ASTM A240,ASME SA-240
Specifications:
Size for bar: OD 6-500mm,Length 0.5-30m
Size for plate:Thick 0.5-80mm,Length1-6m,width 0.5-3m
Size for steel pipes:OD 6-530mm,WT 0.5-50mm,Length 1-12m
Chemical composition(%):
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
N |
|
≤0.030 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.015 |
4.50~6.50 |
21.00~23.00 |
2.90~3.50 |
0.14~0.20 |
Mechanical properties
|
Rm((Mpa) |
Rp0.2(Mpa) |
A50(%) |
TC w/(m. ºC) |
|
≥655 |
≥450 |
≥25 |
19 |
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