AISI Grade 18Ni (250) Maraging Steel, 3.18 mm thick sheet, solution annealed at 815°C (1500°F) for 30 minutes, air cooled, aged at 480°C (900°F) for 1 hour

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

AISI Grade 18Ni (250) Maraging Steel, 3.18 mm thick sheet, solution annealed at 815°C (1500°F) for 30 minutes, air cooled, aged at 480°C (900°F) for 1 hour
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel; Maraging Steel
Material Notes:	Applications: Bearings, Belleville springs, bolts, cannon recoil springs, rocket motor and missiles cases, couplings, load cells, flexures for guidance mechanisms of missiles, helicopter drive shafts, transmission shafts, fan shafts in commercial jet engines, aircraft wing components and forgings, aluminum die casting dies, cold forming dies, plastic molding dies, cores, pins, punches, and trim knees.
Key Words:	maraging steels, UNS K92890, ASTM A538 (B), ASTM A579 grade 72
Vendors:	Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	8.00 g/cc	0.289 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1824 MPa	264500 psi
Tensile Strength, Yield	1769 MPa @Strain 0.2 %	256600 psi @Strain 0.2 %
Elongation at Break	4.8 %	4.8 %	In 50 mm.
	9.4 %	9.4 %	in 25 mm
Reduction of Area	48.7 %	48.7 %
Modulus of Elasticity	190 GPa	27600 ksi
Bulk Modulus	160 GPa	23200 ksi	Typical for steel.
Poissons Ratio	0.30	0.30	Calculated
Shear Modulus	73.0 GPa	10600 ksi	Estimated from elastic modulus

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000174 ohm-cm	0.0000174 ohm-cm	Typical steel

Thermal Properties	Metric	English	Comments
CTE, linear	10.1 µm/m-°C @Temperature 21.0 - 480 °C	5.61 µin/in-°F @Temperature 69.8 - 896 °F
Thermal Conductivity	25.3 W/m-K @Temperature 20.0 °C	176 BTU-in/hr-ft²-°F @Temperature 68.0 °F
	25.8 W/m-K @Temperature 50.0 °C	179 BTU-in/hr-ft²-°F @Temperature 122 °F
	27.0 W/m-K @Temperature 100 °C	187 BTU-in/hr-ft²-°F @Temperature 212 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.10 %	0.10 %
Boron, B	0.0030 %	0.0030 %
Carbon, C	<= 0.030 %	<= 0.030 %
Cobalt, Co	7.5 %	7.5 %
Iron, Fe	68 %	68 %	As remainder
Manganese, Mn	<= 0.10 %	<= 0.10 %
Molybdenum, Mo	4.8 %	4.8 %
Nickel, Ni	18.5 %	18.5 %
Phosphorus, P	<= 0.010 %	<= 0.010 %
Silicon, Si	<= 0.10 %	<= 0.10 %
Sulfur, S	<= 0.010 %	<= 0.010 %
Titanium, Ti	0.40 %	0.40 %
Zirconium, Zr	0.010 %	0.010 %

References for this datasheet.

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 consistent 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 terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
AISI Grade 18Ni (250) Maraging Steel, 3.18 mm thick sheet, solution annealed at 815°C (1500°F) for 30 minutes, air cooled, aged at 510°C (950°F) for 3 hours
AISI Grade 18Ni (250) Maraging Steel, Aged, 75 mm round bar, tested longitudinal
AISI Grade 18Ni (250) Maraging Steel, Aged, 32 mm round bar, tested longitudinal
AISI Grade 18Ni (250) Maraging Steel, nominal annealed properties
AISI Grade 18Ni (250) Maraging Steel, 3.18 mm thick sheet, solution annealed at 815°C (1500°F) for 30 minutes, air cooled, aged at 455°C (850°F) for 3 hours

M1825I / 7384

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message