Alloy 2205 Technical Information
Technical Information
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Alloys

Alloy 20
2205
Alloy C-276
317L
310S
321/321H
347/347H
254SMO
AL-6XN
6061 T6
904L
410
304/304L
316/316L
Alloy 200
Alloy 400
Alloy 600
Alloy 625
Alloy 800/800H/800HP
Alloy 825

2205

Chemical Composition %

C Cr Fe Mn Mo N Ni P S Si
Max     Max       Max Max Max
0.030 21.0-23.0 Bal 2.0 2.50-3.50 0.08-0.20 4.50-6.50 0.03 0.02 1.0

AVAILABILITY
Seamless Pipe 1/2" - 8"
Weld Pipe 1/2" - 12"
Butt-Weld Fittings 1/2" - 12"
Flanges 1/2" - 8"
Bar 1" - 8"

SPECIFICATIONS
ASTM
A790, A815, A182
ASME
SA790, SA815, SA182

DESCRIPTION
Avesta Sheffield 2205 is a ferritic-austenitic stainless steel which combines many of the beneficial properties of both ferritic and austenitic steels. As a result of high chromium and molybdenum contents, the steel has very good pitting and uniform corrosion resistance to stress corrosion cracking as well as high mechanical strength.

2205 has good weldability and can be welded using most of the welding techniques for stainless steels. Due to the balanced composition, when welded correctly, the heat affected zone contains sufficient austenite to avoid the risk of localized corrosion. The chemical composition of 2205 is balanced to give a microstructure containing roughly equal amounts of ferrite and austenite.

DESIGN FEATURES
• High strength.
• Low thermal expansion and higher heat
conductivity than austenitic steels.
• High resistance to stress corrosion cracking,
corrosion fatigue and erosion.
• High uniform corrosion resistance.
• High pitting and crevice corrosion
resistance.
• Good sulfide stress corrosion cracking
resistance.

TYPICAL APPLICATIONS
• Heat exchangers, tubes and pipe for production and handling of gas and oil
• Heat exchangers and pipes in desalination plants
• Pressure vessels, pipes, tanks and heat exchangers for processing and transport of various chemicals
• Pressure vessels, tanks and pipes in process industries handling chlorides
• Rotors, fans, shafts and press rolls where the high corrosion fatigue strength can be utilized
• Cargo tanks, piping and welding consumables for chemical tankers

TENSILE REQUIREMENTS
Tensile Strength (KSI) 65
Yield Strength (KSI) 90KSI can be converted to MPA (Megapascals) by multiplying by 6.895.

Robert-James Sales, Inc.
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