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SAE-AISI M41 Steel vs. S42300 Stainless Steel

Both SAE-AISI M41 steel and S42300 stainless steel are iron alloys. They have 84% 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 M41 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
1100

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1600
1470
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
3.2
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 120
110

Common Calculations

PREN (Pitting Resistance) 28
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
39
Strength to Weight: Bending, points 23 to 46
30
Thermal Diffusivity, mm2/s 6.0
6.8
Thermal Shock Resistance, points 25 to 71
40

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.27 to 0.32
Chromium (Cr), % 3.8 to 4.5
11 to 12
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
82 to 85.1
Manganese (Mn), % 0.2 to 0.6
1.0 to 1.4
Molybdenum (Mo), % 3.3 to 4.3
2.5 to 3.0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0.2 to 0.3