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ACI-ASTM CD6MN Steel vs. SAE-AISI 52100 Steel

Both ACI-ASTM CD6MN steel and SAE-AISI 52100 steel are iron alloys. They have 68% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD6MN steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
10 to 20
Fatigue Strength, MPa 370
250 to 340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 730
590 to 2010
Tensile Strength: Yield (Proof), MPa 510
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
47
Thermal Expansion, µm/m-K 13
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 48
20
Embodied Water, L/kg 170
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 650
350 to 840
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
21 to 72
Strength to Weight: Bending, points 23
20 to 45
Thermal Diffusivity, mm2/s 4.4
13
Thermal Shock Resistance, points 20
19 to 61

Alloy Composition

Carbon (C), % 0 to 0.060
0.93 to 1.1
Chromium (Cr), % 24 to 27
1.4 to 1.6
Iron (Fe), % 62.1 to 70.1
96.5 to 97.3
Manganese (Mn), % 0 to 1.0
0.25 to 0.45
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.015