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SAE-AISI 52100 Steel vs. SAE-AISI 1108 Steel

Both SAE-AISI 52100 steel and SAE-AISI 1108 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 52100 steel and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 20
23 to 34
Fatigue Strength, MPa 250 to 340
170 to 260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 370 to 420
250 to 280
Tensile Strength: Ultimate (UTS), MPa 590 to 2010
380 to 440
Tensile Strength: Yield (Proof), MPa 360 to 560
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
52
Thermal Expansion, µm/m-K 12 to 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 51
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54 to 310
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 840
130 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 72
13 to 16
Strength to Weight: Bending, points 20 to 45
15 to 16
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 19 to 61
12 to 14

Alloy Composition

Carbon (C), % 0.93 to 1.1
0.080 to 0.13
Chromium (Cr), % 1.4 to 1.6
0
Iron (Fe), % 96.5 to 97.3
98.9 to 99.24
Manganese (Mn), % 0.25 to 0.45
0.6 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13