Outokumpu SAF 2507® Duplex Stainless Steel

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Outokumpu SAF 2507® Duplex Stainless Steel
Categories:	Metal; Ferrous Metal; Duplex; Stainless Steel
Material Notes:	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) and cold rolled strip/sheet forms.
Key Words:	EN 1.441; UNS S32750
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Physical Properties	Original Value	Comments

Density	7.80 g/cc	RT

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	830 MPa	Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
	630 MPa @Temperature 250 °C	EN min.; EN 10002-5
	640 MPa @Temperature 200 °C	EN min.; EN 10002-5
	660 MPa @Temperature 150 °C	EN min.; EN 10002-5
	680 MPa @Temperature 100 °C	EN min.; EN 10002-5
Tensile Strength, Yield	530 MPa @Strain 0.2 %	EN min., RT; EN 10002-1
	590 MPa @Strain 0.2 %	Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
	380 MPa @Strain 0.2 %, Temperature 250 °C	EN min.; EN 10002-5
	400 MPa @Strain 0.2 %, Temperature 200 °C	EN min.; EN 10002-5
	420 MPa @Strain 0.2 %, Temperature 150 °C	EN min.; EN 10002-5
	450 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	550 MPa @# of Cycles 2.00e+6	R=smin/smax=0.1;RT; 50% probability of failure
	802 MPa @# of Cycles 2.00e+6	R=smin/smax=0.1; F50
	565 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
	13.5 µm/m-°C @Temperature 200 °C
	14.0 µm/m-°C @Temperature 300 °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	1040 - 1120 °C	Quench Annealing
	1040 - 1120 °C	Stress Relief Annealing

Component Elements Properties	Original Value	Comments
Carbon, C	0.020 %
Chromium, Cr	25 %
Iron, Fe	63.71 %
Molybdenum, Mo	4.0 %
Nickel, Ni	7.0 %
Nitrogen, N	0.27 %

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