AISI 12L14 Carbon Steel (UNS G12144)

AISI 12L14 Carbon Steel (UNS G12144)

Short Description:

Introduction Carbon is the primary alloying element present in the carbon steels. They contain 0.4% silicon and 1.2% manganese. Small quantities of molybdenum, chromium, nickel, aluminium, and copper are also present in these steels. AISI 12L14 carbon steel is known as the fastest machining bar product. The following datasheet will discuss in detail about AISI 12L14 carbon steel. Chemical Composition The following table shows the chemical composition of AISI 12L14 carbon steel. Element Con...


  • 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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    Introduction

    Carbon is the primary alloying element present in the carbon steels. They contain 0.4% silicon and 1.2% manganese. Small quantities of molybdenum, chromium, nickel, aluminium, and copper are also present in these steels. AISI 12L14 carbon steel is known as the fastest machining bar product.

    The following datasheet will discuss in detail about AISI 12L14 carbon steel.

    Chemical Composition

    The following table shows the chemical composition of AISI 12L14 carbon steel.

    Element Content (%)
    Iron, Fe 97.91 – 98.7
    Manganese, Mn 0.85 – 1.15
    Sulfur, S 0.260 – 0.35
    Lead, Pb 0.15 – 0.35
    Carbon, C  0.15
    Phosphorous, P 0.040 – 0.090

    Physical Properties

    Properties Metric Imperial
    Density 7.87 g/cm3 0.284 lb/in³

    Mechanical Properties

    The mechanical properties of the cold drawn AISI 12L14 carbon steel are outlined in the following table.

    Properties Metric Imperial
    Tensile strength 540 MPa 78300 psi
    Yield strength 415 MPa 60200 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 35% 35%
    Hardness, Brinell 163 163
    Hardness, Knoop (converted from Brinell hardness) 184 184
    Hardness, Rockwell B (converted from Brinell hardness) 84 84
    Hardness, Vickers (converted from Brinell hardness) 170 170
    Machinability (based on 100 machinability for AISI 1212 steel) 160 160

    Thermal Properties

    The thermal properties of AISI 12L14 carbon steel are given in the following table.

    Properties Metric Imperial
    Thermal expansion co-efficient (@ 20°C/68°F, typical steel) 11.5 µm/m°C 6.39 µin/in°F
    Thermal conductivity (typical steel) 51.9 W/mK 360 BTU in/hr.ft².°F
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