Outokumpu 2205 Duplex Stainless Steel

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Outokumpu 2205 Duplex Stainless Steel
Categories:	Metal; Ferrous Metal; Duplex; Stainless Steel
Material Notes:	Duplex stainless combining high mechanical strength with good corrosion resistance. Applications: Pulp and paper industry Desalination plants Flue-gas cleaning Cargo tanks and pipe systems in chemical tankers Seawater systems Firewalls and blast walls on offshore platforms Bridges Components for structural design Storage tanks Pressure vessels Heat exchangers Water heaters Rotors, impellers and shafts Available in hot rolled plate (Quarto), hot rolled strip/sheet (CPP), cold rolled strip/sheet, cold rolled narrow strip, bar, and rod forms.
Key Words:	EN 1.4462; UNS S32205, UNS S31803; JIS SUS 329J3L
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Physical Properties	Original Value	Comments

Density	7.80 g/cc	RT

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	750 MPa	Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
	540 MPa @Temperature 250 °C	EN min.; EN 10002-5
	550 MPa @Temperature 200 °C	EN min.; EN 10002-5
	570 MPa @Temperature 150 °C	EN min.; EN 10002-5
	590 MPa @Temperature 100 °C	EN min.; EN 10002-5
Tensile Strength, Yield	460 MPa @Strain 0.2 %	EN min., RT; EN 10002-1
	510 MPa @Strain 0.2 %	Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
	300 MPa @Strain 0.2 %, Temperature 250 °C	EN min.; EN 10002-5
	315 MPa @Strain 0.2 %, Temperature 200 °C	EN min.; EN 10002-5
	335 MPa @Strain 0.2 %, Temperature 150 °C	EN min.; EN 10002-5
	360 MPa @Strain 0.2 %, Temperature 100 °C	EN min.; EN 10002-5
Elongation at Break	35 %	Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
Modulus of Elasticity	200 GPa	RT
	172 GPa @Temperature 400 °C
	180 GPa @Temperature 300 °C
	186 GPa @Temperature 200 °C
	194 GPa @Temperature 100 °C
Poissons Ratio	0.30	RT
Fatigue Strength	510 MPa @# of Cycles 2.00e+6	R=smin/smax=0.1;RT; 50% probability of failure
	767 MPa @# of Cycles 2.00e+6	R=smin/smax=0.1; F50
	497 MPa @Strain 0.2 %	R=smin/smax=0.1; 2 million cycles, F50
Shear Modulus	77.0 GPa	calculated
Impact Test	>= 60.0 J	EN 10045-1
	>= 40.0 J @Temperature -40.0 °C	EN 10045-1

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000800 ohm-cm	RT
	0.0000850 ohm-cm @Temperature 100 °C
	0.0000900 ohm-cm @Temperature 200 °C
	0.000100 ohm-cm @Temperature 300 °C

Thermal Properties	Original Value	Comments
CTE, linear	13.0 µm/m-°C @Temperature 100 °C
	14.5 µm/m-°C @Temperature 400 °C
Specific Heat Capacity	0.500 J/g-°C	RT
	0.530 J/g-°C @Temperature 100 °C
	0.560 J/g-°C @Temperature 200 °C
	0.590 J/g-°C @Temperature 300 °C
Thermal Conductivity	15.0 W/m-K	RT
	16.0 W/m-K @Temperature 100 °C
	17.0 W/m-K @Temperature 200 °C
	18.0 W/m-K @Temperature 300 °C
	20.0 W/m-K @Temperature 400 °C

Processing Properties	Original Value	Comments
Annealing Temperature	1020 - 1100 °C	Quench Annealing
	1020 - 1100 °C	Stress Relief Annealing

Component Elements Properties	Original Value	Comments
Carbon, C	0.020 %
Chromium, Cr	22 %
Iron, Fe	69.01 %
Molybdenum, Mo	3.1 %
Nickel, Ni	5.7 %
Nitrogen, N	0.17 %

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NOUTOK06 / 18721

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