Haynes® 230® alloy, as cast vacuum investment casting, tested at 649°C (1200°F)


Subcategory: Metal; Nickel Base; Superalloy

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

Component   Wt. %
Al0.3 
BMax 0.015 
C0.1 
CoMax 5 
Component   Wt. %
Cr22 
FeMax 3 
La0.02 
Mn0.5 
Component   Wt. %
Mo2 
Ni57 
Si0.4 
W14 

Material Notes:
Excellent high-temperature strength, outstanding resistance to oxidizing environments up to 1149°C, 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/in³ at RT

Mechanical Properties
Tensile Strength, Ultimate480 MPa69600 psi 
Tensile Strength, Yield225 MPa32600 psi at 0.2% offset
Elongation at Break44.2 %44.2 % in 5D
Reduction of Area34.9 %34.9 % 
Modulus of Elasticity211 GPa30600 ksi RT
Modulus of Elasticity at Elevated Temperature150 GPa21800 ksi 1000°C (1830°F)
Modulus of Elasticity at Elevated Temperature157 GPa22800 ksi 900°C (1650°F)
Modulus of Elasticity at Elevated Temperature164 GPa23800 ksi 800°C (1470°F)
Modulus of Elasticity at Elevated Temperature171 GPa24800 ksi 700°C (1290°F)
Modulus of Elasticity at Elevated Temperature177 GPa25700 ksi 600°C (1110°F)
Modulus of Elasticity at Elevated Temperature184 GPa26700 ksi 500°C (930°F)
Modulus of Elasticity at Elevated Temperature190 GPa27600 ksi 400°C (750°F)
Modulus of Elasticity at Elevated Temperature196 GPa28400 ksi 300°C (570°F)
Modulus of Elasticity at Elevated Temperature202 GPa29300 ksi 200°C (390°F)
Modulus of Elasticity at Elevated Temperature207 GPa30000 ksi 100°C (212°F)
Charpy Impact73 J53.8 ft-lb solution annealed, 41 J after 8000 hours at 650°C (1200°F), 28 J after 8000 hours at 760°C (1400°F), 28 J after 8000 hours at 870°C (1600°F)

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

Thermal Properties
CTE, linear 20°C12.7 µm/m-°C7.06 µin/in-°F 25-100°C (77-212°F)
CTE, linear 250°C13 µm/m-°C7.22 µin/in-°F 25-200°C (77-390°F)
CTE, linear 500°C13.3 µm/m-°C7.39 µin/in-°F 25-300°C (77-570°F)
CTE, linear 500°C13.7 µm/m-°C7.61 µin/in-°F 25-400°C (77-750°F)
CTE, linear 500°C14 µm/m-°C7.78 µin/in-°F 25-500°C (77-930°F)
CTE, linear 1000°C14.4 µm/m-°C8 µin/in-°F 25-600°C (77-1110°F)
CTE, linear 1000°C14.8 µm/m-°C8.22 µin/in-°F 25-700°C (77-1290°F)
CTE, linear 1000°C15.2 µm/m-°C8.44 µin/in-°F 25-800°C (77-1470°F)
CTE, linear 1000°C15.7 µm/m-°C8.72 µin/in-°F 25-900°C (77-1650°F)
CTE, linear 1000°C16.1 µm/m-°C8.94 µin/in-°F 25-1000°C (77-1830°F)
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 100°C (212°F)
Specific Heat Capacity at Elevated Temperature0.435 J/g-°C0.104 BTU/lb-°F 200°C (390°F)
Specific Heat Capacity at Elevated Temperature0.448 J/g-°C0.107 BTU/lb-°F 300°C (570°F)
Specific Heat Capacity at Elevated Temperature0.465 J/g-°C0.111 BTU/lb-°F 400°C (750°F)
Specific Heat Capacity at Elevated Temperature0.473 J/g-°C0.113 BTU/lb-°F 500°C (930°F)
Specific Heat Capacity at Elevated Temperature0.486 J/g-°C0.116 BTU/lb-°F 600°C (1110°F)
Specific Heat Capacity at Elevated Temperature0.574 J/g-°C0.137 BTU/lb-°F 700°C (1290°F)
Specific Heat Capacity at Elevated Temperature0.595 J/g-°C0.142 BTU/lb-°F 800°C (1470°F)
Specific Heat Capacity at Elevated Temperature0.609 J/g-°C0.146 BTU/lb-°F 900°C (1650°F)
Specific Heat Capacity at Elevated Temperature0.617 J/g-°C0.147 BTU/lb-°F 1000°C (1830°F)
Thermal Conductivity8.9 W/m-K61.8 BTU-in/hr-ft²-°F RT
Thermal Conductivity at Elevated Temperature10.4 W/m-K72.2 BTU-in/hr-ft²-°F 100°C (212°F)
Thermal Conductivity at Elevated Temperature12.4 W/m-K86.1 BTU-in/hr-ft²-°F 200°C (390°F)
Thermal Conductivity at Elevated Temperature14.4 W/m-K99.9 BTU-in/hr-ft²-°F 300°C (570°F)
Thermal Conductivity at Elevated Temperature16.4 W/m-K114 BTU-in/hr-ft²-°F 400°C (750°F)
Thermal Conductivity at Elevated Temperature18.4 W/m-K128 BTU-in/hr-ft²-°F 500°C (930°F)
Thermal Conductivity at Elevated Temperature20.4 W/m-K142 BTU-in/hr-ft²-°F 600°C (1110°F)
Thermal Conductivity at Elevated Temperature22.4 W/m-K155 BTU-in/hr-ft²-°F 700°C (1290°F)
Thermal Conductivity at Elevated Temperature24.4 W/m-K169 BTU-in/hr-ft²-°F 800°C (1470°F)
Thermal Conductivity at Elevated Temperature26.4 W/m-K183 BTU-in/hr-ft²-°F 900°C (1650°F)
Thermal Conductivity at Elevated Temperature28.4 W/m-K197 BTU-in/hr-ft²-°F 1000°C (1830°F)
Melting Point1301 - 1371 °C2370 - 2500 °F 
Solidus1301 °C2370 °F 
Liquidus1371 °C2500 °F 


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