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SAE-AISI 1005 Steel vs. SAE-AISI 1045 Steel

Both SAE-AISI 1005 steel and SAE-AISI 1045 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1005 steel and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
13 to 18
Fatigue Strength, MPa 190
220 to 370
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 210
380 to 410
Tensile Strength: Ultimate (UTS), MPa 330
620 to 680
Tensile Strength: Yield (Proof), MPa 260
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 45
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 180
300 to 900
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12
22 to 24
Strength to Weight: Bending, points 13
21 to 22
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 10
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.060
0.43 to 0.5
Iron (Fe), % 99.5 to 100
98.5 to 99
Manganese (Mn), % 0 to 0.35
0.6 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.040
Sulfur (S), % 0 to 0.050
0 to 0.050