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Outokumpu 4742 High Temperature Ferritic Stainless Steel

Category Metal , Ferrous Metal , Ferritic , Stainless Steel
Manufacturer Outokumpu
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Good scaling resistance and can be subjected to reducing sulphur environments without risk. Subject to 475°C embrittlement and grain coarsening at temperatures above 950°C. s-phase may form after long time exposures to temperatures around 650°C.Applications: Mostly used in high temperature applications with sulphurous atmospheres and/or low tensile loads such as for installations within: Chemical industry (drums)Power industry (coal burners)Metalworking industry (heat treatment boxes)Furnace technology (walls, doors)Available in hot rolled plate (Quarto) form.
Physical Properties Metric English Comments
Density 7.60 g/cc
0.275 lb/in³
RT
Mechanical Properties Metric English Comments
Hardness, Brinell 212
212
RT; EN 10003-1
Tensile Strength, Ultimate 535 MPa
77600 psi
Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
Tensile Strength, Yield 375 MPa

@Strain 0.200 %
54400 psi

@Strain 0.200 %
Outokumpu Typical,Hot Rolled Plate (Quarto); EN 10002-1
405 MPa

@Strain 1.00 %
58700 psi

@Strain 1.00 %
Outokumpu Typical,Hot Rolled Plate (Quarto); EN 10002-1
Elongation at Break 25 %
25 %
Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
Thermal Properties Metric English Comments
CTE, linear 12.1 µm/m-°C

@Temperature 600 °C
6.72 µin/in-°F

@Temperature 1110 °F
12.9 µm/m-°C

@Temperature 800 °C
7.17 µin/in-°F

@Temperature 1470 °F
Specific Heat Capacity 0.450 J/g-°C
0.108 BTU/lb-°F
RT
Thermal Conductivity 16.0 W/m-K
111 BTU-in/hr-ft²-°F
RT
22.3 W/m-K

@Temperature 500 °C
155 BTU-in/hr-ft²-°F

@Temperature 932 °F
Maximum Service Temperature, Air 1000 °C
1830 °F
Dry Air
Component Elements Properties Metric English Comments
Aluminum, Al 0.70 %
0.70 %
Carbon, C 0.12 %
0.12 %
Chromium, Cr 18 %
18 %
Iron, Fe 81.18 %
81.18 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000910 ohm-cm
0.0000910 ohm-cm
Processing Properties Metric English Comments
Annealing Temperature 800 - 850 °C
1470 - 1560 °F
Cooling: forced air or water
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