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ASTM Grade LC1 Steel vs. SAE-AISI 1108 Steel

Both ASTM grade LC1 steel and SAE-AISI 1108 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 ASTM grade LC1 steel and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
23 to 34
Fatigue Strength, MPa 200
170 to 260
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40
45 to 57
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 540
380 to 440
Tensile Strength: Yield (Proof), MPa 270
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
130 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
13 to 16
Strength to Weight: Bending, points 19
15 to 16
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
12 to 14

Alloy Composition

Carbon (C), % 0 to 0.25
0.080 to 0.13
Iron (Fe), % 97.6 to 99.05
98.9 to 99.24
Manganese (Mn), % 0.5 to 0.8
0.6 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.045
0.080 to 0.13