AISI 1144 Carbon Steel (UNS G11440)

AISI 1144 Carbon Steel (UNS G11440)

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Chemical Composition The following table shows the chemical composition of AISI 1144 carbon steel. Element Content (%) Iron, Fe 97.50 – 98.01 Manganese, Mn 1.35 – 1.65 Sulfur, S 0.240 – 0.330 Carbon, C 0.40 – 0.480 Phosphorous, P 0.040 Physical Properties The physical properties of AISI 1144 carbon steel are tabulated below. Properties Metric Imperial Density 7.85 g/cm3 0.284 lb/in³ Mechanical Properties The mechanical properties of cold drawn A...


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
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    Chemical Composition

    The following table shows the chemical composition of AISI 1144 carbon steel.

    Element Content (%)
    Iron, Fe 97.50 – 98.01
    Manganese, Mn 1.35 – 1.65
    Sulfur, S 0.240 – 0.330
    Carbon, C 0.40 – 0.480
    Phosphorous, P 0.040

    Physical Properties

    The physical properties of AISI 1144 carbon steel are tabulated below.

    Properties Metric Imperial
    Density 7.85 g/cm3 0.284 lb/in³

    Mechanical Properties

    The mechanical properties of cold drawn AISI 1144 carbon steel are outlined in the following table.

    Properties Metric Imperial
    Tensile strength 745 MPa 108000 psi
    Yield strength 620 MPa 89900 psi
    Bulk modulus (typical for steel) 140 GPa 20300 ksi
    Shear modulus (typical for steel) 80.0 GPa 11600 ksi
    Elastic modulus 190-210 GPa 27557-30458 ksi
    Poisson’s ratio 0.27-0.30 0.27-0.30
    Elongation at break 10% 10%
    Reduction of area 30% 30%
    Hardness, Brinell 217 217
    Hardness, Knoop (converted from Brinell hardness) 240 240
    Hardness, Rockwell B (converted from Brinell hardness) 95 95
    Hardness, Rockwell C 17 17
    Hardness, Vickers (converted from Brinell hardness) 228 22

    Thermal Properties

    The thermal properties of AISI 1144 carbon steel are given below.

    Properties Metric Imperial
    Thermal conductivity (typical steel) 49.8 W/mK 346 BTU in/hr.ft2.°F

    Other Designations

    Other designations that are equivalent to AISI 1144 carbon steel include:

    • ASTM A29
    • ASTM A311
    • ASTM A510
    • SAE J1397
    • SAE J403
    • SAE J412
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