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Rulon Bearings

AF1410 High Fracture-Toughness Steel
Categories: Metal; Ferrous Metal

Material Notes: Originally developed for advanced submarine hulls; also used for aircraft components. Exceptional combination of strength and toughness. Air-hardenable up to 3 in. thickness. Good weldability under proper conditions.

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Physical PropertiesMetricEnglishComments
Density 8.00 g/cc0.289 lb/in³Estimated from Similar Steels
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break >= 1620 MPa>= 235000 psi
Modulus of Elasticity 205 GPa29700 ksiTypical of steel
Poissons Ratio 0.280.28Calculated
Fracture Toughness 154 MPa-m½140 ksi-in½KIC
Shear Modulus 80.0 GPa11600 ksiTypical of steel
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.13 - 0.17 %0.13 - 0.17 %
Chromium, Cr 1.8 - 2.2 %1.8 - 2.2 %
Cobalt, Co 13.5 - 14.5 %13.5 - 14.5 %
Iron, Fe 71.3 - 74 %71.3 - 74 %As Balance
Manganese, Mn <= 0.10 %<= 0.10 %
Molybdenum, Mo 0.90 - 1.1 %0.90 - 1.1 %
Nickel, Ni 9.5 - 10.5 %9.5 - 10.5 %
Phosphorus, P 0.0080 %0.0080 %
Silicon, Si <= 0.10 %<= 0.10 %
Sulfur, S 0.0050 %0.0050 %

References for this datasheet.

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