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SAE-AISI M46 Steel vs. EN 1.4150 Stainless Steel

Both SAE-AISI M46 steel and EN 1.4150 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M46 steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 800 to 2300
730

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1540
1420
Melting Onset (Solidus), °C 1500
1380
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 18
23
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.5
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 12
2.8
Embodied Energy, MJ/kg 180
42
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 35
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 78
27
Strength to Weight: Bending, points 24 to 48
24
Thermal Diffusivity, mm2/s 4.9
6.2
Thermal Shock Resistance, points 25 to 71
27

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.45 to 0.6
Chromium (Cr), % 3.7 to 4.2
15 to 16.5
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70 to 73.8
79 to 82.8
Manganese (Mn), % 0.2 to 0.4
0 to 0.8
Molybdenum (Mo), % 8.0 to 8.5
0.2 to 0.4
Nickel (Ni), % 0 to 0.3
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.4 to 0.65
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 1.9 to 2.2
0
Vanadium (V), % 3.0 to 3.3
0.2 to 0.4