Astralloy MIL-DTL-46100E Armor Steel Plate

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Astralloy MIL-DTL-46100E Armor Steel Plate
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	MIL-DTL-46100E is a military-specified, high hardness armor steel. It is approved for use within the U. S. Department of the Army and is available for use by all departments and agencies of the U.S. Department of Defense. Typically, this grade of armor steel is utilized in protection against land mines or explosive structures, especially as it relates to vehicle armor. The surface hardness of this material is a minimum of 477 BHN. Information provided by Astralloy, a Nucor Company.
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Mechanical Properties	Original Value	Comments

Hardness, Brinell	477 - 534
Tensile Strength	240 ksi
Tensile Strength, Yield	190 ksi
Elongation at Break	10 % @Thickness 50.8 mm
Charpy Impact	20.0 ft-lb @Temperature -40.0 °C	Transerse
	24.0 ft-lb @Temperature -40.0 °C	Longitudinal
Bend Radius, Minimum	6.0 t	Perpendicular to Rolling Direction
	8.0 t	Parallel to Rolling Direction

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.32 % @Thickness 4.000 - 50.8 mm
Chromium, Cr	<= 0.70 % @Thickness 4.000 - 34.3 mm
	<= 1.6 % @Thickness 34.32 - 50.8 mm
Iron, Fe	>= 94.6 % @Thickness 34.32 - 50.8 mm	As Balance
	>= 96.5 % @Thickness 4.000 - 34.3 mm	As Balance
Manganese, Mn	<= 1.0 % @Thickness 4.000 - 50.8 mm
Molybdenum, Mo	<= 0.30 % @Thickness 4.000 - 50.8 mm
Nickel, Ni	<= 0.60 % @Thickness 4.000 - 34.3 mm
	<= 1.55 % @Thickness 34.32 - 50.8 mm
Phosphorus, P	<= 0.020 % @Thickness 4.000 - 50.8 mm
Silicon, Si	<= 0.60 % @Thickness 4.000 - 50.8 mm
Sulfur, S	<= 0.0050 % @Thickness 4.000 - 50.8 mm

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NNUCOR920 / 233194

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