Sandvik Sanmac 2205 Hollow bar

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Sandvik Sanmac 2205 Hollow bar
Categories:	Metal; Ferrous Metal; Austenitic; Stainless Steel
Material Notes:	Sanmac 2205 is a duplex (austenitic-ferritic) stainless steel with improved machinability. The grade is characterized by: Excellent machinability High resistance to stress corrosion cracking (SCC) in chloride-bearing environments High resistance to stress corrosion cracking (SCC) in environments containing hydrogen sulphide High resistance to general corrosion, pitting and crevice corrosion High mechanical strength – roughly twice the proof strength of austenitic stainless steels Good hot-working properties High resistance to erosion corrosion and corrosion fatigue Physical properties that offer design advantages Good weldability Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	<= 28
Tensile Strength, Ultimate	680 - 880 MPa
	>= 300 MPa @Temperature 150 °C
	>= 560 MPa @Temperature 300 °C
	>= 570 MPa @Temperature 250 °C
	>= 580 MPa @Temperature 200 °C
	>= 630 MPa @Temperature 100 °C
Tensile Strength, Yield	>= 450 MPa @Strain 0.2 %
	>= 500 MPa @Strain 1 %
	>= 310 MPa @Strain 0.2 %, Temperature 300 °C
	>= 320 MPa @Strain 0.2 %, Temperature 250 °C
	>= 330 MPa @Strain 0.2 %, Temperature 200 °C
	>= 340 MPa @Strain 1 %, Temperature 300 °C
	>= 345 MPa @Strain 0.2 %, Temperature 150 °C
	>= 350 MPa @Strain 1 %, Temperature 250 °C
	>= 360 MPa @Strain 1 %, Temperature 200 °C
	>= 370 MPa @Strain 0.2 %, Temperature 100 °C
	>= 385 MPa @Strain 1 %, Temperature 150 °C
	>= 420 MPa @Strain 1 %, Temperature 100 °C
Elongation at Break	>= 25 %	Based on L = 5.65 ÖS where L is the original gauge length and S the original cross-section area.
	>= 25 %
Modulus of Elasticity	180 GPa @Temperature 300 °C
	186 GPa @Temperature 200 °C
	194 GPa @Temperature 100 °C
	200 GPa @Temperature 20.0 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000740 ohm-cm @Temperature 20.0 °C
	0.00000850 ohm-cm @Temperature 100 °C
	0.00000960 ohm-cm @Temperature 200 °C
	0.0000100 ohm-cm @Temperature 300 °C
	0.0000110 ohm-cm @Temperature 400 °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
	18.0 W/m-K @Temperature 300 °C
	20.0 W/m-K @Temperature 400 °C

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.030 %
Chromium, Cr	22.5 %
Manganese, Mn	<= 2.0 %
Molybdenum, Mo	3.2 %
Nickel, Ni	4.5 %
Nitrogen, N	0.17 %
Phosphorus, P	<= 0.030 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.015 %

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NSANDV5270 / 199834

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