Ferralium Alloy 255 heat treated at 1120°C, cooled rapidly, 10.2-19 mm thick plate

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Ferralium Alloy 255 heat treated at 1120°C, cooled rapidly, 10.2-19 mm thick plate
Categories:	Metal; Ferrous Metal; Heat Resisting; Stainless Steel
Material Notes:	Patented, ferritic-austenitic; high mechanical strength, ductility, and hardness with resistance to corrosion and erosion. Excellent resistance to acids and salts. Duplex alloy with nearly equal portions of austenite and ferrite-matrix phases. Applications include pumps, agitators, valves, and piping for handling wet phosphoric acid slurries, marine scrubbers, pumps and seals, and acid handling equipment.
Key Words:	UNS S32550
Vendors:	Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	7.81 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	867.4 MPa	125800 psi
	580 MPa @Temperature 540 °C	84100 psi @Temperature 1000 °F
	694.3 MPa @Temperature 425 °C	100700 psi @Temperature 797 °F
	704 MPa @Temperature 205 °C	102000 psi @Temperature 401 °F
	706.7 MPa @Temperature 315 °C	102500 psi @Temperature 599 °F
	786 MPa @Temperature 95.0 °C	114000 psi @Temperature 203 °F
Tensile Strength, Yield	674 MPa @Strain 0.2 %	97800 psi @Strain 0.2 %
	425 MPa @Strain 0.2 %, Temperature 540 °C	61600 psi @Strain 0.2 %, Temperature 1000 °F
	487 MPa @Strain 0.2 %, Temperature 425 °C	70600 psi @Strain 0.2 %, Temperature 797 °F
	494 MPa @Strain 0.2 %, Temperature 315 °C	71600 psi @Strain 0.2 %, Temperature 599 °F
	515 MPa @Strain 0.2 %, Temperature 205 °C	74700 psi @Strain 0.2 %, Temperature 401 °F
	594 MPa @Strain 0.2 %, Temperature 95.0 °C	86200 psi @Strain 0.2 %, Temperature 203 °F
Elongation at Break	27 %	27 %	in 50 mm
	26 % @Temperature 425 °C	26 % @Temperature 797 °F	in 50 mm
	27 % @Temperature 95.0 °C	27 % @Temperature 203 °F	in 50 mm
	27 % @Temperature 205 °C	27 % @Temperature 401 °F	in 50 mm
	28 % @Temperature 540 °C	28 % @Temperature 1000 °F	in 50 mm
	29 % @Temperature 315 °C	29 % @Temperature 599 °F	in 50 mm
Modulus of Elasticity	210 GPa	30500 ksi
	165 GPa @Temperature 540 °C	23900 ksi @Temperature 1000 °F
	179 GPa @Temperature 425 °C	26000 ksi @Temperature 797 °F
	189 GPa @Temperature 315 °C	27400 ksi @Temperature 599 °F
	198 GPa @Temperature 205 °C	28700 ksi @Temperature 401 °F
	206 GPa @Temperature 95.0 °C	29900 ksi @Temperature 203 °F

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000840 ohm-cm @Temperature 25.0 °C	0.0000840 ohm-cm @Temperature 77.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	11.0 µm/m-°C @Temperature 20.0 - 93.0 °C	6.11 µin/in-°F @Temperature 68.0 - 199 °F
	11.7 µm/m-°C @Temperature 20.0 - 205 °C	6.50 µin/in-°F @Temperature 68.0 - 401 °F
	12.1 µm/m-°C @Temperature 20.0 - 315 °C	6.72 µin/in-°F @Temperature 68.0 - 599 °F
	12.4 µm/m-°C @Temperature 20.0 - 425 °C	6.89 µin/in-°F @Temperature 68.0 - 797 °F
	13.0 µm/m-°C @Temperature 20.0 - 540 °C	7.22 µin/in-°F @Temperature 68.0 - 1000 °F
Specific Heat Capacity	0.480 J/g-°C	0.115 BTU/lb-°F	Typical value for stainless steel.
Thermal Conductivity	15.1 W/m-K @Temperature 100 °C	105 BTU-in/hr-ft²-°F @Temperature 212 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.040 %	<= 0.040 %
Chromium, Cr	26 %	26 %
Copper, Cu	1.7 %	1.7 %
Iron, Fe	62 %	62 %
Manganese, Mn	0.80 %	0.80 %
Molybdenum, Mo	3.3 %	3.3 %
Nickel, Ni	5.5 %	5.5 %
Nitrogen, N	0.17 %	0.17 %
Silicon, Si	0.45 %	0.45 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Ferralium Alloy 255 solution treated at 1120°C, cooled rapidly
DIAB Divinycell® HCP 50 Polymer Foam
Ferralium Alloy 255 solution heat treated, hardened at 510°C (950°F) for 4 hours
ATI Allegheny Ludlum Alloy 255 Stainless Steel, UNS S32550
Aluminum 5456-H111

MQN255O / 13882

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message