Thermal conductivity against densityHigher and further left: spreads more heat for its weightThermal expansion against thermal conductivityLower and further right: warps less when heated
Sources3 documents: Niagara LaSalle, U.S. Department of Defense, Ovako
Values for
Wrought. AISI 1018 cold drawn bar (Niagara LaSalle, cold-finished bar producer)
1
1018 PropertiesNiagara LaSallearchived copyYield strength: producer-stated, cold drawnUltimate tensile strength: producer-stated, cold drawnElongation at break: in 2 in (50.8 mm)
2
MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003)U.S. Department of DefenseYoung's modulus (stiffness): base material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018)Density: base material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018)Poisson's ratio: base material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018)Thermal conductivity: base material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018)Specific heat: base material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018)
3
S275JR Steel GradeOvakoThermal expansion: base material: unalloyed carbon steel, Ovako family table (S275JR, 'none alloyed structural steels', C <= 0.21%); mean 20-300 °C
Steel AISI 1018 has a thermal conductivity of 51.9 W/m·K (30 BTU/hr·ft·°F). Basis: base material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018). Source: U.S. Department of Defense, MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003).
Specific heat of Steel AISI 1018
The specific heat capacity of Steel AISI 1018 is 486 J/kg·K (0.116 BTU/lb·°F). Basis: base material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018). Source: U.S. Department of Defense, MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003).
Coefficient of thermal expansion of Steel AISI 1018
Steel AISI 1018 expands 12 µm/m·K (6.67 µin/in·°F): a 100 mm part grows 60 µm over a 50 °C rise. Basis: base material: unalloyed carbon steel, Ovako family table (S275JR, 'none alloyed structural steels', C <= 0.21%); mean 20-300 °C. Source: Ovako, S275JR Steel Grade.
Thermal diffusivity of Steel AISI 1018
Computed from the conductivity, density and specific heat (k / ρc): 13.6 mm²/s, how fast a temperature change spreads through it.