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Outokumpu 254 SMO® High Performance Austenitic Stainless Steel

Category Metal , Ferrous Metal , Austenitic , Pressure Vessel Steel , Stainless Steel
Manufacturer Outokumpu
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Outokumpu 254 SMO® High Performance Austenitic Stainless Steel.pdf
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Material Notes:
Applications: Process equipment in chemical industryBleaching equipment in the pulp and paper industryFlue-gas cleaningDesalinationSeawater handlingHeat exchangersAvailable in hot rolled plate (Quarto), hot rolled strip/sheet (CPP), cold rolled strip/sheet, cold rolled narrow strip, bar, and rod forms.
Physical Properties Metric English Comments
Density 8.00 g/cc
0.289 lb/in³
RT
Mechanical Properties Metric English Comments
Hardness, Brinell >= 210
>= 210
Hot rolled plate/Hot rolled strip/Cold rolled strip; EN 10003-1
Tensile Strength, Ultimate 680 MPa
98600 psi
Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
510 MPa

@Temperature 400 °C
 74000 psi

@Temperature 752 °F
 EN min.; EN 10002-5
525 MPa

@Temperature 300 °C
 76100 psi

@Temperature 572 °F
 EN min.; EN 10002-5
560 MPa

@Temperature 200 °C
 81200 psi

@Temperature 392 °F
 EN min.; EN 10002-5
615 MPa

@Temperature 100 °C
 89200 psi

@Temperature 212 °F
 EN min.; EN 10002-5
Tensile Strength, Yield 300 MPa

@Strain 0.200 %
 43500 psi

@Strain 0.200 %
 EN min.,RT; EN 10002-1
340 MPa

@Strain 0.200 %
 49300 psi

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

@Strain 1.00 %
 55100 psi

@Strain 1.00 %
 Outokumpu Typical,Hot Rolled Plate (Quarto); EN 10002-1
160 MPa

@Strain 0.200 %,
Temperature 400 °C
 23200 psi

@Strain 0.200 %,
Temperature 752 °F
 EN min.; EN 10002-5
170 MPa

@Strain 0.200 %,
Temperature 300 °C
 24700 psi

@Strain 0.200 %,
Temperature 572 °F
 EN min.; EN 10002-5
190 MPa

@Strain 0.200 %,
Temperature 200 °C
 27600 psi

@Strain 0.200 %,
Temperature 392 °F
 EN min.; EN 10002-5
190 MPa

@Strain 1.00 %,
Temperature 400 °C
 27600 psi

@Strain 1.00 %,
Temperature 752 °F
 EN min.; EN 10002-5
200 MPa

@Strain 1.00 %,
Temperature 300 °C
 29000 psi

@Strain 1.00 %,
Temperature 572 °F
 EN min.; EN 10002-5
225 MPa

@Strain 1.00 %,
Temperature 200 °C
 32600 psi

@Strain 1.00 %,
Temperature 392 °F
 EN min.; EN 10002-5
230 MPa

@Strain 0.200 %,
Temperature 100 °C
 33400 psi

@Strain 0.200 %,
Temperature 212 °F
 EN min.; EN 10002-5
270 MPa

@Strain 1.00 %,
Temperature 100 °C
 39200 psi

@Strain 1.00 %,
Temperature 212 °F
 EN min.; EN 10002-5
Elongation at Break 50 %
50 %
Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
Modulus of Elasticity 195 GPa
28300 ksi
RT
166 GPa

@Temperature 400 °C
 24100 ksi

@Temperature 752 °F
Poissons Ratio 0.30
0.30
RT
Shear Modulus 75.0 GPa
10900 ksi
calculated
Impact Test >= 60.0 J
>= 44.3 ft-lb
Hot rolled plate/Hot rolled strip/Cold rolled strip; EN 10045-1
Thermal Properties Metric English Comments
CTE, linear 16.5 µm/m-°C

@Temperature 100 °C
 9.17 µin/in-°F

@Temperature 212 °F
18.0 µm/m-°C

@Temperature 400 °C
 10.0 µin/in-°F

@Temperature 752 °F
Specific Heat Capacity 0.500 J/g-°C
0.120 BTU/lb-°F
RT
Thermal Conductivity 14.0 W/m-K
97.2 BTU-in/hr-ft²-°F
RT
18.0 W/m-K

@Temperature 400 °C
 125 BTU-in/hr-ft²-°F

@Temperature 752 °F
Component Elements Properties Metric English Comments
Carbon, C 0.010 %
0.010 %
Chromium, Cr 20 %
20 %
Iron, Fe 55.69 %
55.69 %
Molybdenum, Mo 6.1 %
6.1 %
Nickel, Ni 18 %
18 %
Nitrogen, N 0.20 %
0.20 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000850 ohm-cm
0.0000850 ohm-cm
RT
Processing Properties Metric English Comments
Annealing Temperature 1120 - 1150 °C

@Thickness <=2.00 mm
 2050 - 2100 °F

@Thickness <=0.0787 in
 Solution Annealing, cooling with air/water
1150 - 1200 °C

@Thickness >=2.00 mm
 2100 - 2190 °F

@Thickness >=0.0787 in
 Solution Annealing, quench with water
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