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SAE-AISI M41 Steel vs. S33425 Stainless Steel

Both SAE-AISI M41 steel and S33425 stainless steel are iron alloys. They have 60% 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 M41 steel and the bottom bar is S33425 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
79
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1600
1430
Melting Onset (Solidus), °C 1550
1380
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
27
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.1
5.1
Embodied Energy, MJ/kg 140
71
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 28
30
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
20
Strength to Weight: Bending, points 23 to 46
19
Thermal Diffusivity, mm2/s 6.0
3.7
Thermal Shock Resistance, points 25 to 71
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 1.1 to 1.2
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
21 to 23
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
47.2 to 56.7
Manganese (Mn), % 0.2 to 0.6
0 to 1.5
Molybdenum (Mo), % 3.3 to 4.3
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
20 to 23
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0