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ASTM Grade LC3 Steel vs. ASTM A148 Cast Steel

Both ASTM grade LC3 steel and ASTM A148 cast steel are iron alloys.

For each property being compared, the top bar is ASTM grade LC3 steel and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 390
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
5.7 to 25
Fatigue Strength, MPa 230
280 to 670
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40
13 to 45
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 570
630 to 1300
Tensile Strength: Yield (Proof), MPa 310
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400 to 430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
37 to 47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.3 to 7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.3 to 8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
2.3 to 3.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5 to 1.7
Embodied Energy, MJ/kg 23
20 to 22
Embodied Water, L/kg 52
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 260
400 to 3570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
22 to 46
Strength to Weight: Bending, points 19
21 to 34
Thermal Diffusivity, mm2/s 14
9.9 to 13
Thermal Shock Resistance, points 17
18 to 38