Sandvik SAF 3207 HD Tube and pipe, seamless

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Sandvik SAF 3207 HD Tube and pipe, seamless
Categories:	Metal; Ferrous Metal; Austenitic; Ferritic; Stainless Steel
Material Notes:	Sandvik SAF 3207 HD is a hyper-duplex (austenitic-ferritic) stainless steel for service in highly corrosive conditions where also high mechanical strength is necessary. This makes the grade ideal for applications such as deepwater umbilicals. Sandvik SAF 3207 HD is characterized by: Excellent resistance to pitting and crevice corrosion Excellent resistance to stress corrosion cracking (SCC) in hydrogen sulphide (H S) and chloride containing environments High resistance to general corrosion in acidic and caustic environments Excellent resistance to erosion corrosion Excellent corrosion fatigue properties Exceptionally high mechanical strength Exceptionally high fatigue strength Physical properties that offer design advantages Good weldability Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.70 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	<= 36 @Thickness <=4.00 mm
	<= 36 @Thickness >=4.00 mm
Tensile Strength, Ultimate	>= 784 MPa @Temperature 200 °C
	>= 785 MPa @Temperature 250 °C
	>= 791 MPa @Temperature 300 °C
	>= 811 MPa @Temperature 150 °C
	>= 850 MPa @Temperature 100 °C
	>= 923 MPa @Temperature 50.0 °C
	>= 850 MPa @Thickness >=4.00 mm
	>= 950 MPa @Thickness <=4.00 mm
Tensile Strength, Yield	>= 572 MPa @Strain 0.2 %, Temperature 300 °C
	>= 582 MPa @Strain 0.2 %, Temperature 250 °C
	>= 585 MPa @Strain 0.2 %, Temperature 200 °C
	>= 609 MPa @Strain 0.2 %, Temperature 150 °C
	>= 657 MPa @Strain 0.2 %, Temperature 100 °C
	>= 696 MPa @Strain 0.2 %, Temperature 50.0 °C
	>= 700 MPa @Strain 0.2 %, Thickness >=4.00 mm
	>= 770 MPa @Strain 0.2 %, Thickness <=4.00 mm
Elongation at Break	>= 15 % @Thickness <=4.00 mm
	>= 15 % @Thickness >=4.00 mm
	>= 25 % @Thickness <=4.00 mm	Based on L = 5.65 vS where L is the original gauge length and S the original cross section area.
	>= 25 % @Thickness >=4.00 mm	Based on L = 5.65 vS where L is the original gauge length and S the original cross section area.
Modulus of Elasticity	200 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000870 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	13.5 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
	0.510 J/g-°C @Temperature 100 °C
	0.540 J/g-°C @Temperature 200 °C
	0.570 J/g-°C @Temperature 300 °C
	0.590 J/g-°C @Temperature 400 °C
Thermal Conductivity	13.0 W/m-K @Temperature 20.0 °C
	15.0 W/m-K @Temperature 100 °C
	16.0 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	32 %
Manganese, Mn	<= 1.5 %
Molybdenum, Mo	3.5 %
Nickel, Ni	7.0 %
Nitrogen, N	0.50 %
Phosphorus, P	<= 0.035 %
Silicon, Si	<= 0.80 %
Sulfur, S	<= 0.010 %

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NSANDV5226 / 199790

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