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SAE-AISI M46 Steel vs. AISI 416 Stainless Steel

Both SAE-AISI M46 steel and AISI 416 stainless steel are iron alloys. They have 77% 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 AISI 416 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
510 to 800

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1540
1530
Melting Onset (Solidus), °C 1500
1480
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 18
30
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
7.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 12
1.9
Embodied Energy, MJ/kg 180
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 35
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 78
18 to 29
Strength to Weight: Bending, points 24 to 48
18 to 25
Thermal Diffusivity, mm2/s 4.9
8.1
Thermal Shock Resistance, points 25 to 71
19 to 30

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.15
Chromium (Cr), % 3.7 to 4.2
12 to 14
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70 to 73.8
83.2 to 87.9
Manganese (Mn), % 0.2 to 0.4
0 to 1.3
Molybdenum (Mo), % 8.0 to 8.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.4 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35
Tungsten (W), % 1.9 to 2.2
0
Vanadium (V), % 3.0 to 3.3
0

Comparable Variants