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SAE-AISI A10 Steel vs. S15500 Stainless Steel

Both SAE-AISI A10 steel and S15500 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A10 steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 810 to 2040
890 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 27
39
Embodied Water, L/kg 56
130

Common Calculations

PREN (Pitting Resistance) 5.1
15
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 73
32 to 53
Strength to Weight: Bending, points 25 to 46
26 to 37
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 27 to 68
30 to 50

Alloy Composition

Carbon (C), % 1.3 to 1.5
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 0 to 0.25
2.5 to 4.5
Iron (Fe), % 90.8 to 93.4
71.9 to 79.9
Manganese (Mn), % 1.6 to 2.1
0 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.6 to 2.1
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030