AISI 1547 Carbon Steel (UNS G15470)

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations


Carbon steels contain carbon as the primary alloying element. In addition to this, they also contain some residual elements such as chromium, molybdenum, nickel, aluminium, and copper. About 0.4% silicon and 1.2% manganese are also present in these steels. The AISI 1547 carbon steel is suitable for forgings.

The datasheet given below will discuss in detail about AISI 1547 carbon steel.

Chemical Composition

The chemical composition of AISI 1547 carbon steel is tabulated below.

Element Content (%)
Iron, Fe 97.75 - 98.22
Manganese, Mn 1.35 - 1.65
Carbon, C 0.430 - 0.510
Sulfur, S ≤ 0.050
Phosphorous, P ≤ 0.040

Physical Properties

The following table shows the physical properties of AISI 1547 carbon steel

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

Mechanical Properties

The mechanical properties of cold drawn AISI 1547 carbon steel are outlined in the following table.

Properties Metric Imperial
Tensile strength 710 MPa 103000 psi
Yield strength 605 MPa 87700 psi
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80 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 28% 28%
Hardness, Brinell 207 207
Hardness, Knoop (converted from Brinell hardness) 229 229
Hardness, Rockwell B (converted from Brinell hardness) 93 93
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) 15 15
Hardness, Vickers (converted from Brinell hardness) 217 217
Machinability (based on 100 machinability for AISI 1212 steel) 40 40

Thermal Properties

The thermal properties of AISI 1547 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

Other Designations

Other designations that are equivalent to AISI 1547 carbon steel include:

  • ASTM A29
  • ASTM A510
  • ASTM A576
  • SAE J403
  • SAE J412
  • SAE J414


Amongst other applications, AISI 1547 carbon steel is mainly used in the production of wires and rods.

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