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SAE-AISI M6 Steel vs. AISI 416 Stainless Steel

Both SAE-AISI M6 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 M6 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 840 to 2210
510 to 800

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1560
1530
Melting Onset (Solidus), °C 1510
1480
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 39
7.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.0
1.9
Embodied Energy, MJ/kg 120
27
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 28
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28 to 73
18 to 29
Strength to Weight: Bending, points 24 to 45
18 to 25
Thermal Diffusivity, mm2/s 4.7
8.1
Thermal Shock Resistance, points 26 to 68
19 to 30

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
12 to 14
Cobalt (Co), % 11 to 13
0
Iron (Fe), % 68.8 to 74.6
83.2 to 87.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.3
Molybdenum (Mo), % 4.5 to 5.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0

Comparable Variants