Sandvik SAF 2205 Billet

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Sandvik SAF 2205 Billet
Categories:	Metal; Ferrous Metal; Duplex; Stainless Steel
Material Notes:	Sandvik SAF 2205 is a duplex (austenitic-ferritic) stainless steel characterized by: high resistance to stress corrosion cracking in chloride-bearing environments and in environments containing hydrogen sulphide high resistance to general corrosion, pitting and crevice corrosion high resistance to erosion corrosion and corrosion fatigue high mechanical strength - roughly twice the proof strength of austenitic stainless steel physical properties that offer design advantages good weldability Information provided by Sandvik UNS S31803; EN 1.4462
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	<= 270
Tensile Strength, Ultimate	660 - 860 MPa
Tensile Strength, Yield	>= 450 MPa @Strain 0.2 %
	>= 500 MPa @Strain 1 %
Elongation at Break	>= 25 %
Modulus of Elasticity	200 GPa
	180 GPa @Temperature 300 °C
	186 GPa @Temperature 200 °C
	194 GPa @Temperature 100 °C

Thermal Properties	Original Value	Comments
CTE, linear	13.0 µm/m-°C @Temperature 30.0 - 100 °C
	13.5 µm/m-°C @Temperature 30.0 - 200 °C
	14.0 µm/m-°C @Temperature 30.0 - 300 °C
	14.5 µm/m-°C @Temperature 30.0 - 400 °C
Specific Heat Capacity	0.480 J/g-°C @Temperature 20.0 °C
	0.500 J/g-°C @Temperature 100 °C
	0.530 J/g-°C @Temperature 200 °C
	0.550 J/g-°C @Temperature 300 °C
	0.590 J/g-°C @Temperature 400 °C
Thermal Conductivity	14.0 W/m-K @Temperature 20.0 °C
	16.0 W/m-K @Temperature 100 °C
	17.0 W/m-K @Temperature 200 °C
	19.0 W/m-K @Temperature 300 °C
	20.0 W/m-K @Temperature 400 °C

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.025 %
Chromium, Cr	22 %
Iron, Fe	66.6 %	As Balance
Manganese, Mn	<= 2.0 %
Molybdenum, Mo	3.2 %
Nickel, Ni	5.0 %
Nitrogen, N	0.18 %
Phosphorus, P	<= 0.030 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.015 %

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NSANDV174 / 19068

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