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SAE-AISI 52100 Steel vs. S30415 Stainless Steel

Both SAE-AISI 52100 steel and S30415 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 SAE-AISI 52100 steel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 20
45
Fatigue Strength, MPa 250 to 340
300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 370 to 420
470
Tensile Strength: Ultimate (UTS), MPa 590 to 2010
670
Tensile Strength: Yield (Proof), MPa 360 to 560
330

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
940
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
21
Thermal Expansion, µm/m-K 12 to 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 51
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54 to 310
250
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 840
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 72
24
Strength to Weight: Bending, points 20 to 45
22
Thermal Diffusivity, mm2/s 13
5.6
Thermal Shock Resistance, points 19 to 61
15

Alloy Composition

Carbon (C), % 0.93 to 1.1
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 1.4 to 1.6
18 to 19
Iron (Fe), % 96.5 to 97.3
67.8 to 71.8
Manganese (Mn), % 0.25 to 0.45
0 to 0.8
Nickel (Ni), % 0
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.35
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030