Sandmeyer Stainless Steel Alloy 2205 Datasheet

Wrought Stainless Steel

Supplied by Sandmeyer Steel Company

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Product Description
Alloy 2205 is a 22% Chromium, 3% Molybdenum, 5-6% Nickel, nitrogen alloyed duplex stainless steel with high general, localized and stress corrosion resistance properties in addition to high strength and excellent impact toughness.

Alloy 2205 provides pitting and crevice corrosion resistance superior to 316L or 317L austenitic stainless steels in almost all corrosive media. It also has high corrosion and erosion fatigue properties as well as lower thermal expansion and higher thermal conductivity than austenitic.

The yield strength is about twice that of austenitic stainless steels. This allows a designer to save weight and makes the alloy more cost competitive when compared to 316L or 317L.

Alloy 2205 is particularly suitable for applications covering the -50°F/+600°F temperature range. Temperatures outside this range may be considered but need some restrictions, particularly for welded structures.

Applications
  • Pressure vessels, tanks, piping, and heat exchangers in the chemcal processing industry
  • Piping, tubing, and heat exchangers for the handling of gas and oil
  • Effluent scrubbing systems
  • Pulp and paper industry digesters, bleaching equipment, and stock-handling systems
  • Rotors, fans, shafts, and press rolls requiring combined strength and corrosion resistance
  • Cargo tanks for ships and trucks
  • Food processing equipment
  • Biofuels plants
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Available Documents
Technical Datasheet (English)
Metals General
Nominal Value
Unit
 
Applicable Specifications
 
 
Forms Available
 
 
Metal Type
 
 
Alloy Identification
 
 
Metals Type Analysis
Nominal Value
Unit
 
Type Analysis
     
Carbon
%
 
Chromium
%
 
Molybdenum
%
 
Nickel
%
 
Nitrogen
%
 
Sulfur
%
 
Metals Physical
Nominal Value
Unit
 
Density (68°F)
lb/in³
 
Metals Mechanical
Nominal Value
Unit
 
Tensile Strength (Ultimate)
ksi
 
Tensile Strength (Yield), 0.2%
ksi
 
Tensile Elongation (Break)
%
 
Hardness (HB-Scale)
 
 
Tensile Modulus (68°F)
ksi
 
Metals Thermal
Nominal Value
Unit
 
Mean Specific Heat (68°F)
Btu/lb/°F
 
Mean CTE (68 to 212°F)
in/in/°F
 
Thermal Conductivity (68°F)
Btu·in/hr/ft²/°F
 
Metals Electrical
Nominal Value
Unit
 
Electrical Resistivity (68°F)
ohms·cir·mil/ft
 
Notes
1Typical properties: these are not to be construed as specifications.
 
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