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SAE-AISI 1040 Steel vs. SAE-AISI 52100 Steel

Both SAE-AISI 1040 steel and SAE-AISI 52100 steel are iron alloys. They have a very high 98% 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 1040 steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 20
10 to 20
Fatigue Strength, MPa 220 to 340
250 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 350 to 390
370 to 420
Tensile Strength: Ultimate (UTS), MPa 570 to 640
590 to 2010
Tensile Strength: Yield (Proof), MPa 320 to 530
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
47
Thermal Expansion, µm/m-K 12
12 to 13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 96
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 760
350 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 23
21 to 72
Strength to Weight: Bending, points 19 to 21
20 to 45
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 18 to 20
19 to 61

Alloy Composition

Carbon (C), % 0.37 to 0.44
0.93 to 1.1
Chromium (Cr), % 0
1.4 to 1.6
Iron (Fe), % 98.6 to 99.03
96.5 to 97.3
Manganese (Mn), % 0.6 to 0.9
0.25 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.015