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SAE-AISI M46 Steel vs. S32760 Stainless Steel

Both SAE-AISI M46 steel and S32760 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M46 steel and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 800 to 2300
850

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1540
1460
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
22
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 12
4.1
Embodied Energy, MJ/kg 180
57
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 35
42
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 78
30
Strength to Weight: Bending, points 24 to 48
25
Thermal Diffusivity, mm2/s 4.9
4.0
Thermal Shock Resistance, points 25 to 71
23

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.030
Chromium (Cr), % 3.7 to 4.2
24 to 26
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0.5 to 1.0
Iron (Fe), % 70 to 73.8
57.6 to 65.8
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 8.0 to 8.5
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.4 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 1.9 to 2.2
0.5 to 1.0
Vanadium (V), % 3.0 to 3.3
0