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ACI-ASTM CT15C Steel vs. SAE-AISI 52100 Steel

Both ACI-ASTM CT15C steel and SAE-AISI 52100 steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CT15C steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
10 to 20
Fatigue Strength, MPa 130
250 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 500
590 to 2010
Tensile Strength: Yield (Proof), MPa 190
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1080
430
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
47
Thermal Expansion, µm/m-K 16
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.1
1.5
Embodied Energy, MJ/kg 88
20
Embodied Water, L/kg 190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 93
350 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
21 to 72
Strength to Weight: Bending, points 17
20 to 45
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 12
19 to 61

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.93 to 1.1
Chromium (Cr), % 19 to 21
1.4 to 1.6
Iron (Fe), % 40.3 to 49.2
96.5 to 97.3
Manganese (Mn), % 0.15 to 1.5
0.25 to 0.45
Nickel (Ni), % 31 to 34
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015