AISI Grade 18Ni (350) Maraging Steel, Aged, at RT, tested longitudinal, round bar 75 mm

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AISI Grade 18Ni (350) Maraging Steel, Aged, at RT, tested longitudinal, round bar 75 mm
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel; Maraging Steel
Material Notes:	Applications: rocket motor cases, load cells, flexures for guidance mechanisms of missiles, helicopter drive shafts, aircraft wing components, aluminum die casting dies, cores, pins, plastic molding dies, trim knees, cold forming dies and springs.
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	2359 MPa
Tensile Strength, Yield	2320 MPa @Strain 0.2 %
Elongation at Break	6.2 %	In gage length 4.5 times the square root of the area.
Reduction of Area	28.6 %
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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