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SAE-AISI 1552 Steel vs. ASTM Grade LC2-1 Steel

Both SAE-AISI 1552 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 1552 steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
20
Fatigue Strength, MPa 290 to 400
430
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 46
34
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 760 to 840
810
Tensile Strength: Yield (Proof), MPa 460 to 650
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 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
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 19
25
Embodied Water, L/kg 47
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
150
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
29
Strength to Weight: Bending, points 24 to 25
25
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 26 to 29
24

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.22
Chromium (Cr), % 0
1.4 to 1.9
Iron (Fe), % 97.9 to 98.3
92.5 to 95.3
Manganese (Mn), % 1.2 to 1.5
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 to 0.050
0 to 0.045