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SAE-AISI M10 Steel vs. S44660 Stainless Steel

Both SAE-AISI M10 steel and S44660 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 22 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 M10 steel and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 740 to 2170
660

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1520
1460
Melting Onset (Solidus), °C 1470
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 31
17
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
21
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 8.3
4.3
Embodied Energy, MJ/kg 120
61
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 31
38
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 76
24
Strength to Weight: Bending, points 23 to 47
22
Thermal Diffusivity, mm2/s 8.5
4.5
Thermal Shock Resistance, points 23 to 68
21

Alloy Composition

Carbon (C), % 0.84 to 1.1
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
25 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.3 to 85.6
60.4 to 71
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Molybdenum (Mo), % 7.8 to 8.5
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0
Vanadium (V), % 1.8 to 2.2
0