Haynes 230 alloy, as cast vacuum investment casting, tested at 760C (1400F)

Subcategory: Metal; Nickel Base; Superalloy

Key Words: UNS N06230, AMS 5878, AMS 5891, DIN 17742 No.2.4733

Component   Wt. %
BMax 0.015 
CoMax 5 
Component   Wt. %
FeMax 3 
Component   Wt. %

Material Notes:
Excellent high-temperature strength, outstanding resistance to oxidizing environments up to 1149C, premier resistance to nitriding environments, and excellent long-term thermal stability. Applications include combustion cans, transition ducts, flameholders, thermocouple sheaths and other gas turbine components; used for catalyst grid supports in ammonia burners, high-strength thermocouple protection tubes, high-temperature heat exchangers, ducts, high-temperature bellows; furnace retorts, chains and fixtures, burner flame shrouds, recuperator internals, dampers, nitriding furnace internals, heat-treating baskets, grates, trays, sparger tubes, and cyclone internals.

Data provided by the manufacturer, Haynes International, Inc.

Physical PropertiesMetricEnglishComments
Density8.97 g/cc0.324 lb/in at RT

Mechanical Properties
Tensile Strength, Ultimate385 MPa55800 psi 
Tensile Strength, Yield225 MPa32600 psi at 0.2% offset
Elongation at Break32.3 %32.3 % in 5D
Reduction of Area36 %36 % 
Modulus of Elasticity211 GPa30600 ksi RT
Modulus of Elasticity at Elevated Temperature150 GPa21800 ksi 1000C (1830F)
Modulus of Elasticity at Elevated Temperature157 GPa22800 ksi 900C (1650F)
Modulus of Elasticity at Elevated Temperature164 GPa23800 ksi 800C (1470F)
Modulus of Elasticity at Elevated Temperature171 GPa24800 ksi 700C (1290F)
Modulus of Elasticity at Elevated Temperature177 GPa25700 ksi 600C (1110F)
Modulus of Elasticity at Elevated Temperature184 GPa26700 ksi 500C (930F)
Modulus of Elasticity at Elevated Temperature190 GPa27600 ksi 400C (750F)
Modulus of Elasticity at Elevated Temperature196 GPa28400 ksi 300C (570F)
Modulus of Elasticity at Elevated Temperature202 GPa29300 ksi 200C (390F)
Modulus of Elasticity at Elevated Temperature207 GPa30000 ksi 100C (212F)
Charpy Impact73 J53.8 ft-lb solution annealed, 41 J after 8000 hours at 650C (1200F), 28 J after 8000 hours at 760C (1400F), 28 J after 8000 hours at 870C (1600F)

Electrical Properties
Electrical Resistivity0.000125 ohm-cm0.000125 ohm-cm RT
Electrical Resistivity at Elevated Temperature0.000125 ohm-cm0.000125 ohm-cm 1000C (1830F)
Electrical Resistivity at Elevated Temperature0.0001258 ohm-cm0.0001258 ohm-cm 100C (212F)
Electrical Resistivity at Elevated Temperature0.0001265 ohm-cm0.0001265 ohm-cm 200C (390F)
Electrical Resistivity at Elevated Temperature0.0001271 ohm-cm0.0001271 ohm-cm 900C (1650F)
Electrical Resistivity at Elevated Temperature0.0001273 ohm-cm0.0001273 ohm-cm 300C (570F)
Electrical Resistivity at Elevated Temperature0.0001284 ohm-cm0.0001284 ohm-cm 400C (750F)
Electrical Resistivity at Elevated Temperature0.0001291 ohm-cm0.0001291 ohm-cm 800C (1470F)
Electrical Resistivity at Elevated Temperature0.0001302 ohm-cm0.0001302 ohm-cm 500C (930F)
Electrical Resistivity at Elevated Temperature0.0001307 ohm-cm0.0001307 ohm-cm 700C (1290F)
Electrical Resistivity at Elevated Temperature0.0001312 ohm-cm0.0001312 ohm-cm 600C (1110F)

Thermal Properties
CTE, linear 20C12.7 m/m-C7.06 in/in-F 25-100C (77-212F)
CTE, linear 250C13 m/m-C7.22 in/in-F 25-200C (77-390F)
CTE, linear 500C13.3 m/m-C7.39 in/in-F 25-300C (77-570F)
CTE, linear 500C13.7 m/m-C7.61 in/in-F 25-400C (77-750F)
CTE, linear 500C14 m/m-C7.78 in/in-F 25-500C (77-930F)
CTE, linear 1000C14.4 m/m-C8 in/in-F 25-600C (77-1110F)
CTE, linear 1000C14.8 m/m-C8.22 in/in-F 25-700C (77-1290F)
CTE, linear 1000C15.2 m/m-C8.44 in/in-F 25-800C (77-1470F)
CTE, linear 1000C15.7 m/m-C8.72 in/in-F 25-900C (77-1650F)
CTE, linear 1000C16.1 m/m-C8.94 in/in-F 25-1000C (77-1830F)
Specific Heat Capacity0.397 J/g-C0.0949 BTU/lb-F RT
Specific Heat Capacity at Elevated Temperature0.419 J/g-C0.1 BTU/lb-F 100C (212F)
Specific Heat Capacity at Elevated Temperature0.435 J/g-C0.104 BTU/lb-F 200C (390F)
Specific Heat Capacity at Elevated Temperature0.448 J/g-C0.107 BTU/lb-F 300C (570F)
Specific Heat Capacity at Elevated Temperature0.465 J/g-C0.111 BTU/lb-F 400C (750F)
Specific Heat Capacity at Elevated Temperature0.473 J/g-C0.113 BTU/lb-F 500C (930F)
Specific Heat Capacity at Elevated Temperature0.486 J/g-C0.116 BTU/lb-F 600C (1110F)
Specific Heat Capacity at Elevated Temperature0.574 J/g-C0.137 BTU/lb-F 700C (1290F)
Specific Heat Capacity at Elevated Temperature0.595 J/g-C0.142 BTU/lb-F 800C (1470F)
Specific Heat Capacity at Elevated Temperature0.609 J/g-C0.146 BTU/lb-F 900C (1650F)
Specific Heat Capacity at Elevated Temperature0.617 J/g-C0.147 BTU/lb-F 1000C (1830F)
Thermal Conductivity8.9 W/m-K61.8 BTU-in/hr-ft-F RT
Thermal Conductivity at Elevated Temperature10.4 W/m-K72.2 BTU-in/hr-ft-F 100C (212F)
Thermal Conductivity at Elevated Temperature12.4 W/m-K86.1 BTU-in/hr-ft-F 200C (390F)
Thermal Conductivity at Elevated Temperature14.4 W/m-K99.9 BTU-in/hr-ft-F 300C (570F)
Thermal Conductivity at Elevated Temperature16.4 W/m-K114 BTU-in/hr-ft-F 400C (750F)
Thermal Conductivity at Elevated Temperature18.4 W/m-K128 BTU-in/hr-ft-F 500C (930F)
Thermal Conductivity at Elevated Temperature20.4 W/m-K142 BTU-in/hr-ft-F 600C (1110F)
Thermal Conductivity at Elevated Temperature22.4 W/m-K155 BTU-in/hr-ft-F 700C (1290F)
Thermal Conductivity at Elevated Temperature24.4 W/m-K169 BTU-in/hr-ft-F 800C (1470F)
Thermal Conductivity at Elevated Temperature26.4 W/m-K183 BTU-in/hr-ft-F 900C (1650F)
Thermal Conductivity at Elevated Temperature28.4 W/m-K197 BTU-in/hr-ft-F 1000C (1830F)
Melting Point1301 - 1371 C2370 - 2500 F 
Solidus1301 C2370 F 
Liquidus1371 C2500 F 

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.