Haynes Multimet alloy, 6.15 mm hot-rolled bar, 15% cold reduction, tested at RT

Subcategory: Iron Base; Metal; Superalloy

Key Words: AMS 5794, UNS R30155, AMS 5532, AMS 5768, AMS 5769, AMS 5795

Component   Wt. %
C0.08 - 0.16 
Cb + Ta0.75 - 1.25 
Co18.5 - 21 
Cr20 - 22.5 
Component   Wt. %
Mn1 - 2 
Mo2.5 - 3.5 
N 0.1 - 0.2 
Component   Wt. %
Ni19 - 21 
SiMax 1 
W2 - 3 

Material Notes:
Iron (Fe) content to balance. Recommended for use in applications involving high stress at temperatures up to 816C (1500F), and moderate stresses up to 1093C (2000F). Excellent oxidation resistance, good ductility, and is readily fabricated. Current applications include aircraft, including tailpipes and tailcones, afterburner parts, exhaust manifolds, combustion chambers, turbine blades, buckets and nozzles. Excellent service for high temperature bolts.

Data provided by the manufacturer, Haynes International, Inc.

Physical PropertiesMetricEnglishComments
Density8.2 g/cc0.296 lb/in at 22C (71.6F)

Mechanical Properties
Hardness, Brinell261261 Converted from Rockwell C hardness.
Hardness, Knoop277277 Converted from Rockwell C hardness.
Hardness, Rockwell C2525 
Hardness, Vickers269269 Converted from Rockwell C hardness.
Tensile Strength, Ultimate932 MPa135000 psi 
Tensile Strength, Yield845 MPa123000 psi at 0.2% offset
Elongation at Break24 %24 % in 50.8 mm
Poisson's Ratio0.2980.298 RT
Poisson's Ratio0.3190.319 -78C
Poissons Ratio at Elevated Temperature0.3150.315 426C
Poissons Ratio at Elevated Temperature0.3250.325 650C
Poissons Ratio at Elevated Temperature0.3390.339 816C

Electrical Properties
Electrical Resistivity9.3e-005 ohm-cm9.3e-005 ohm-cm 22C (71.6F)

Thermal Properties
CTE, linear 250C15.3 m/m-C8.5 in/in-F 23-300C (73.4-570F)
CTE, linear 250C15.6 m/m-C8.67 in/in-F 23-400C (73.4-750F)
CTE, linear 500C16 m/m-C8.89 in/in-F 23-500C (73.4-930F)
CTE, linear 500C16.7 m/m-C9.28 in/in-F 23-600C (73.4-1110F)
CTE, linear 500C17.2 m/m-C9.56 in/in-F 23-700C (73.4-1290F)
CTE, linear 500C17.5 m/m-C9.72 in/in-F 23-800C (73.4-1470F)
CTE, linear 500C17.8 m/m-C9.89 in/in-F 23-900C (73.4-1650F)
CTE, linear 1000C17.8 m/m-C9.89 in/in-F 23-1000C (73.4-1830F)
CTE, linear 1000C18.4 m/m-C10.2 in/in-F 23-1100C (73.4-2010F)
Specific Heat Capacity0.435 J/g-C0.104 BTU/lb-F 21-100C (69.8-212F)
Thermal Conductivity at Elevated Temperature15.9 W/m-K110 BTU-in/hr-ft-F 300C (570F)
Thermal Conductivity at Elevated Temperature17.3 W/m-K120 BTU-in/hr-ft-F 400C (750F)
Thermal Conductivity at Elevated Temperature18.6 W/m-K129 BTU-in/hr-ft-F 500C (930F)
Thermal Conductivity at Elevated Temperature20 W/m-K139 BTU-in/hr-ft-F 600C (1110F)
Thermal Conductivity at Elevated Temperature20 W/m-K139 BTU-in/hr-ft-F 200C (390F)
Melting Point1288 - 1354 C2350 - 2470 F 
Solidus1288 C2350 F 
Liquidus1354 C2470 F 

Optical Properties
Emissivity (0-1)0.880.88 at 1090C (1995F) (oxidized)

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 consistant 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 disclaimer and terms of use regarding this information. MatWeb data and tools provided by MatWeb, LLC.