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AISI 418 Stainless Steel vs. SAE-AISI M10 Steel

Both AISI 418 stainless steel and SAE-AISI M10 steel are iron alloys. They have 86% 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 AISI 418 stainless steel and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 1100
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1500
1520
Melting Onset (Solidus), °C 1460
1470
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 25
31
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
14
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.9
8.3
Embodied Energy, MJ/kg 41
120
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 19
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
26 to 76
Strength to Weight: Bending, points 29
23 to 47
Thermal Diffusivity, mm2/s 6.7
8.5
Thermal Shock Resistance, points 40
23 to 68

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.84 to 1.1
Chromium (Cr), % 12 to 14
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 78.5 to 83.6
82.3 to 85.6
Manganese (Mn), % 0 to 0.5
0.1 to 0.4
Molybdenum (Mo), % 0 to 0.5
7.8 to 8.5
Nickel (Ni), % 1.8 to 2.2
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0
1.8 to 2.2