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AISI 4419H Steel, normalized at 955°C (1750°F), 100 mm (4 in.) round
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel

Material Notes: Normalized: Heated to 955°C (1750°F), air cooled.

Key Words: UNS H44190, ASTM A304, SAE J1268, DIN 1.5419
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 143143
Hardness, Knoop 163163Converted from Brinell
Hardness, Rockwell B 7878Converted from Brinell
Hardness, Vickers 149149Converted from Brinell
Tensile Strength, Ultimate 505 MPa73200 psi
Tensile Strength, Yield 330 MPa47900 psi
Elongation at Break 30 %30 %in 50 mm.
Reduction of Area 60.8 %60.8 %
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
Bulk Modulus 160 GPa23200 ksiTypical for steel.
Poissons Ratio 0.290.29Calculated
Machinability 65 %65 %annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPa11600 ksiTypical for steels.
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000245 ohm-cm0.0000245 ohm-cmTypical 4000 series steel
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 0.475 J/g-°C0.114 BTU/lb-°FTypical 4000 series steel
Thermal Conductivity 44.5 W/m-K309 BTU-in/hr-ft²-°FTypical steel
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.17 - 0.23 %0.17 - 0.23 %
Iron, Fe 97.995 - 98.88 %97.995 - 98.88 %As remainder
Manganese, Mn 0.35 - 0.75 %0.35 - 0.75 %
Molybdenum, Mo 0.45 - 0.60 %0.45 - 0.60 %
Phosphorus, P <= 0.035 %<= 0.035 %
Silicon, Si 0.15 - 0.35 %0.15 - 0.35 %
Sulfur, S <= 0.040 %<= 0.040 %

References for this datasheet.

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