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SAE-AISI 1151 Steel vs. ASTM Grade LC2-1 Steel

Both SAE-AISI 1151 steel and ASTM grade LC2-1 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1151 steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
20
Fatigue Strength, MPa 260 to 410
430
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 40
34
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 710 to 800
810
Tensile Strength: Yield (Proof), MPa 390 to 660
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
450
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 51
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
25
Embodied Water, L/kg 46
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 100
150
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1170
1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
29
Strength to Weight: Bending, points 22 to 24
25
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 22 to 25
24

Alloy Composition

Carbon (C), % 0.48 to 0.55
0 to 0.22
Chromium (Cr), % 0
1.4 to 1.9
Iron (Fe), % 98.3 to 98.7
92.5 to 95.3
Manganese (Mn), % 0.7 to 1.0
0.55 to 0.75
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
2.5 to 3.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0.080 to 0.13
0 to 0.045