AISI Grade 18Ni (350) Maraging Steel, Aged, at RT, tested longitudinal, round bar 32 mm

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AISI Grade 18Ni (350) Maraging Steel, Aged, at RT, tested longitudinal, round bar 32 mm
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:	UNS K93120
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Physical Properties	Original Value	Comments

Density	8.08 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	2391 MPa
Tensile Strength, Yield	2348 MPa @Strain 0.2 %
Elongation at Break	7.6 %	In gage length 4.5 times the square root of the area.
Reduction of Area	33.8 %
Modulus of Elasticity	200 GPa
Bulk Modulus	160 GPa	Typical for steel.
Poissons Ratio	0.30	Calculated
Shear Modulus	77.0 GPa	Estimated from elastic modulus

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000174 ohm-cm	Typical steel

Thermal Properties	Original Value	Comments
CTE, linear	11.3 µm/m-°C @Temperature 21.0 - 480 °C
Thermal Conductivity	25.3 W/m-K @Temperature 20.0 °C
	25.8 W/m-K @Temperature 50.0 °C
	27.0 W/m-K @Temperature 100 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.10 %
Boron, B	0.0030 %
Carbon, C	<= 0.030 %
Cobalt, Co	12 %
Iron, Fe	63 %	As remainder
Manganese, Mn	<= 0.10 %
Molybdenum, Mo	4.8 %
Nickel, Ni	18.5 %
Phosphorus, P	<= 0.010 %
Silicon, Si	<= 0.10 %
Sulfur, S	<= 0.010 %
Titanium, Ti	1.4 %
Zirconium, Zr	0.010 %

References for this datasheet.

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M1835C / 7417

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