Ferralium 255

Do you need custom fasteners created with Ferralium 255? Since our inception, Elgin Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Do you need custom fasteners created with Ferralium 255? Since our inception, Elgin Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Ferralium 255 Bar Stock we have available to meet your needs.

Ferralium Alloy 255 solution treated at 1120°C, cooled rapidly, 19-25 mm

Subcategory: Heat Resisting; Metal; Stainless Steel

Component Wt. %
C Max 0.04
Cr 26
Cu 1.7
Fe 62
Mn 0.8
Mo 3.3
N 0.17
Ni 5.5
Si 0.45

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.

Physical Properties Metric English Comments
Density 7.81 g/cc 0.282 lb/in³ at 20°C (68°F)
Mechanical Properties
Hardness, Brinell 163 163 Converted from Rockwell B hardness.
Hardness, Rockwell B 95 95
Hardness, Vickers 220 220 Converted from Rockwell B hardness.
Tensile Strength, Ultimate 800 MPa 116000 psi
Tensile Strength, Yield 600 MPa 87000 psi at 0.2% offset
Elongation at Break 31 % 31 % in 50 mm
Electrical Properties
Electrical Resistivity 8.4e-005 ohm-cm 8.4e-005 ohm-cm at 25°C
Thermal Properties
CTE, linear 20°C 11 µm/m-°C 6.11 µin/in-°F at 20-93°C, 11.7 µm/m°C at 20-205°C
CTE, linear 250°C 12.1 µm/m-°C 6.72 µin/in-°F at 20-315°C, 12.4 µm/m°C at 20-425°C
CTE, linear 500°C 13 µm/m-°C 7.22 µin/in-°F at 20-540°C
Heat Capacity 0.48 J/g-°C 0.115 BTU/lb-°F Typical value for stainless steel.
Thermal Conductivity 15.1 W/m-K 105 BTU-in/hr-ft²-°F at 100°C

References are available for this material.

 

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