Haynes® 230® alloy, as cast vacuum investment casting, tested at 982°C

Subcategory: Metal; Nickel Base; Superalloy

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

Component    Wt. % Al 0.3   B Max 0.015   C 0.1   Co Max 5

Component    Wt. % Cr 22   Fe Max 3   La 0.02   Mn 0.5

Component    Wt. % Mo 2   Ni 57   Si 0.4   W 14

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 Properties	Metric	English	Comments
Density	8.97 g/cc	0.324 lb/in³	at RT
Mechanical Properties
Tensile Strength, Ultimate	205 MPa	29700 psi
Tensile Strength, Yield	170 MPa	24700 psi	at 0.2% offset
Elongation at Break	25.5 %	25.5 %	in 5D
Reduction of Area	39.9 %	39.9 %
Modulus of Elasticity	211 GPa	30600 ksi	RT
Modulus of Elasticity at Elevated Temperature	150 GPa	21800 ksi	1000°C (1830°F)
Modulus of Elasticity at Elevated Temperature	157 GPa	22800 ksi	900°C (1650°F)
Modulus of Elasticity at Elevated Temperature	164 GPa	23800 ksi	800°C (1470°F)
Modulus of Elasticity at Elevated Temperature	171 GPa	24800 ksi	700°C (1290°F)
Modulus of Elasticity at Elevated Temperature	177 GPa	25700 ksi	600°C (1110°F)
Modulus of Elasticity at Elevated Temperature	184 GPa	26700 ksi	500°C (930°F)
Modulus of Elasticity at Elevated Temperature	190 GPa	27600 ksi	400°C (750°F)
Modulus of Elasticity at Elevated Temperature	196 GPa	28400 ksi	300°C (570°F)
Modulus of Elasticity at Elevated Temperature	202 GPa	29300 ksi	200°C (390°F)
Modulus of Elasticity at Elevated Temperature	207 GPa	30000 ksi	100°C (212°F)
Charpy Impact	73 J	53.8 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 Resistivity	0.000125 ohm-cm	0.000125 ohm-cm	RT
Electrical Resistivity at Elevated Temperature	0.000125 ohm-cm	0.000125 ohm-cm	1000°C (1830°F)
Electrical Resistivity at Elevated Temperature	0.0001258 ohm-cm	0.0001258 ohm-cm	100°C (212°F)
Electrical Resistivity at Elevated Temperature	0.0001265 ohm-cm	0.0001265 ohm-cm	200°C (390°F)
Electrical Resistivity at Elevated Temperature	0.0001271 ohm-cm	0.0001271 ohm-cm	900°C (1650°F)
Electrical Resistivity at Elevated Temperature	0.0001273 ohm-cm	0.0001273 ohm-cm	300°C (570°F)
Electrical Resistivity at Elevated Temperature	0.0001284 ohm-cm	0.0001284 ohm-cm	400°C (750°F)
Electrical Resistivity at Elevated Temperature	0.0001291 ohm-cm	0.0001291 ohm-cm	800°C (1470°F)
Electrical Resistivity at Elevated Temperature	0.0001302 ohm-cm	0.0001302 ohm-cm	500°C (930°F)
Electrical Resistivity at Elevated Temperature	0.0001307 ohm-cm	0.0001307 ohm-cm	700°C (1290°F)
Electrical Resistivity at Elevated Temperature	0.0001312 ohm-cm	0.0001312 ohm-cm	600°C (1110°F)
Thermal Properties
CTE, linear 20°C	12.7 µm/m-°C	7.06 µin/in-°F	25-100°C (77-212°F)
CTE, linear 250°C	13 µm/m-°C	7.22 µin/in-°F	25-200°C (77-390°F)
CTE, linear 500°C	13.3 µm/m-°C	7.39 µin/in-°F	25-300°C (77-570°F)
CTE, linear 500°C	13.7 µm/m-°C	7.61 µin/in-°F	25-400°C (77-750°F)
CTE, linear 500°C	14 µm/m-°C	7.78 µin/in-°F	25-500°C (77-930°F)
CTE, linear 1000°C	14.4 µm/m-°C	8 µin/in-°F	25-600°C (77-1110°F)
CTE, linear 1000°C	14.8 µm/m-°C	8.22 µin/in-°F	25-700°C (77-1290°F)
CTE, linear 1000°C	15.2 µm/m-°C	8.44 µin/in-°F	25-800°C (77-1470°F)
CTE, linear 1000°C	15.7 µm/m-°C	8.72 µin/in-°F	25-900°C (77-1650°F)
CTE, linear 1000°C	16.1 µm/m-°C	8.94 µin/in-°F	25-1000°C (77-1830°F)
Specific Heat Capacity	0.397 J/g-°C	0.0949 BTU/lb-°F	RT
Specific Heat Capacity at Elevated Temperature	0.419 J/g-°C	0.1 BTU/lb-°F	100°C (212°F)
Specific Heat Capacity at Elevated Temperature	0.435 J/g-°C	0.104 BTU/lb-°F	200°C (390°F)
Specific Heat Capacity at Elevated Temperature	0.448 J/g-°C	0.107 BTU/lb-°F	300°C (570°F)
Specific Heat Capacity at Elevated Temperature	0.465 J/g-°C	0.111 BTU/lb-°F	400°C (750°F)
Specific Heat Capacity at Elevated Temperature	0.473 J/g-°C	0.113 BTU/lb-°F	500°C (930°F)
Specific Heat Capacity at Elevated Temperature	0.486 J/g-°C	0.116 BTU/lb-°F	600°C (1110°F)
Specific Heat Capacity at Elevated Temperature	0.574 J/g-°C	0.137 BTU/lb-°F	700°C (1290°F)
Specific Heat Capacity at Elevated Temperature	0.595 J/g-°C	0.142 BTU/lb-°F	800°C (1470°F)
Specific Heat Capacity at Elevated Temperature	0.609 J/g-°C	0.146 BTU/lb-°F	900°C (1650°F)
Specific Heat Capacity at Elevated Temperature	0.617 J/g-°C	0.147 BTU/lb-°F	1000°C (1830°F)
Thermal Conductivity	8.9 W/m-K	61.8 BTU-in/hr-ft²-°F	RT
Thermal Conductivity at Elevated Temperature	10.4 W/m-K	72.2 BTU-in/hr-ft²-°F	100°C (212°F)
Thermal Conductivity at Elevated Temperature	12.4 W/m-K	86.1 BTU-in/hr-ft²-°F	200°C (390°F)
Thermal Conductivity at Elevated Temperature	14.4 W/m-K	99.9 BTU-in/hr-ft²-°F	300°C (570°F)
Thermal Conductivity at Elevated Temperature	16.4 W/m-K	114 BTU-in/hr-ft²-°F	400°C (750°F)
Thermal Conductivity at Elevated Temperature	18.4 W/m-K	128 BTU-in/hr-ft²-°F	500°C (930°F)
Thermal Conductivity at Elevated Temperature	20.4 W/m-K	142 BTU-in/hr-ft²-°F	600°C (1110°F)
Thermal Conductivity at Elevated Temperature	22.4 W/m-K	155 BTU-in/hr-ft²-°F	700°C (1290°F)
Thermal Conductivity at Elevated Temperature	24.4 W/m-K	169 BTU-in/hr-ft²-°F	800°C (1470°F)
Thermal Conductivity at Elevated Temperature	26.4 W/m-K	183 BTU-in/hr-ft²-°F	900°C (1650°F)
Thermal Conductivity at Elevated Temperature	28.4 W/m-K	197 BTU-in/hr-ft²-°F	1000°C (1830°F)
Melting Point	1301 - 1371 °C	2370 - 2500 °F
Solidus	1301 °C	2370 °F
Liquidus	1371 °C	2500 °F