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SAE-AISI 52100 Steel vs. S44735 Stainless Steel

Both SAE-AISI 52100 steel and S44735 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 52100 steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 10 to 20
21
Fatigue Strength, MPa 250 to 340
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
82
Shear Strength, MPa 370 to 420
390
Tensile Strength: Ultimate (UTS), MPa 590 to 2010
630
Tensile Strength: Yield (Proof), MPa 360 to 560
460

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12 to 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
21
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
4.4
Embodied Energy, MJ/kg 20
61
Embodied Water, L/kg 51
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54 to 310
120
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 840
520
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 21 to 72
23
Strength to Weight: Bending, points 20 to 45
21
Thermal Shock Resistance, points 19 to 61
20

Alloy Composition

Carbon (C), % 0.93 to 1.1
0 to 0.030
Chromium (Cr), % 1.4 to 1.6
28 to 30
Iron (Fe), % 96.5 to 97.3
60.7 to 68.4
Manganese (Mn), % 0.25 to 0.45
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0