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S31655 Stainless Steel vs. SAE-AISI 52100 Steel

Both S31655 stainless steel and SAE-AISI 52100 steel are iron alloys. They have 70% 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 S31655 stainless steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
10 to 20
Fatigue Strength, MPa 300
250 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 490
370 to 420
Tensile Strength: Ultimate (UTS), MPa 710
590 to 2010
Tensile Strength: Yield (Proof), MPa 350
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
430
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 310
350 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21 to 72
Strength to Weight: Bending, points 23
20 to 45
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 16
19 to 61

Alloy Composition

Carbon (C), % 0 to 0.030
0.93 to 1.1
Chromium (Cr), % 19.5 to 21.5
1.4 to 1.6
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
96.5 to 97.3
Manganese (Mn), % 0 to 2.0
0.25 to 0.45
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015