Astralloy AstraWear 450F 450 BHN Wear Resistant Steel

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Astralloy AstraWear 450F 450 BHN Wear Resistant Steel
Categories:	Metal; Ferrous Metal; Martensitic
Material Notes:	AstraWear 450F is a water tempered martensitic steel, with typical hardness of 450 BHN, which offers a real response to wear from abrasion. Its resistance, high hardness, and yield strength make it highly resistant to plastic deformation and wear from scraping and impact. AstraWear 450F shows resistance to wear typically equal to 4 times and any yield strength 3 times greater than those of a A572-50 (S355) steel. Using AstraWear 450F represents a major improvement in terms of service life and lightening of equipment by reducing thickness. AstraWear 450F is easy to process, has good welding capacity and good bendability, considering its outstanding mechanical properties. This steel is especially suited for applications in quarries, construction, mines, cement plants, and the iron and steel industry, among others. AstraWear 450F is a grade especially suited for manufacturing truck bodies. Information provided by Astralloy, a Nucor Company.
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Mechanical Properties	Metric	English	Comments

Hardness, Brinell	430 - 480	430 - 480
Tensile Strength	1410 MPa	205000 psi
Tensile Strength, Yield	1210 MPa	175000 psi
Elongation at Break	12 %	12 %
Charpy Impact	27.1 J @Temperature -40.0 °C	20.0 ft-lb @Temperature -40.0 °F
Bend Radius, Minimum	4.0 t @Diameter <=50.8 mm	4.0 t @Diameter <=2.00 in	Perpendicular to Grain Direction
	5.0 t @Diameter <=50.8 mm	5.0 t @Diameter <=2.00 in	Parallel to Grain Direction

Component Elements Properties	Metric	English	Comments
Boron, B	<= 0.0030 %	<= 0.0030 %
Carbon, C	<= 0.23 %	<= 0.23 %
Chromium, Cr	<= 1.0 %	<= 1.0 %
Iron, Fe	>= 95.3 %	>= 95.3 %	As Balance
Manganese, Mn	<= 1.55 %	<= 1.55 %
Molybdenum, Mo	<= 0.50 %	<= 0.50 %
Nickel, Ni	<= 1.0 %	<= 1.0 %
Phosphorus, P	<= 0.025 %	<= 0.025 %
Silicon, Si	<= 0.40 %	<= 0.40 %
Sulfur, S	<= 0.010 %	<= 0.010 %

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NNUCOR913 / 233187

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