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SAE-AISI S5 Steel vs. S30415 Stainless Steel

Both SAE-AISI S5 steel and S30415 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S5 steel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 680 to 1940
670

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 42
21
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.1
3.1
Embodied Energy, MJ/kg 29
43
Embodied Water, L/kg 51
140

Common Calculations

PREN (Pitting Resistance) 2.9
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 70
24
Strength to Weight: Bending, points 22 to 45
22
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 23 to 65
15

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0 to 0.5
18 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.6 to 97
67.8 to 71.8
Manganese (Mn), % 0.6 to 1.0
0 to 0.8
Molybdenum (Mo), % 0.2 to 1.4
0
Nickel (Ni), % 0
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 1.8 to 2.3
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.35
0