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SAE-AISI M41 Steel vs. S39274 Stainless Steel

Both SAE-AISI M41 steel and S39274 stainless steel are iron alloys. They have 71% 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 S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
900

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1600
1480
Melting Onset (Solidus), °C 1550
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
24
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 9.1
4.3
Embodied Energy, MJ/kg 140
60
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 28
43
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
32
Strength to Weight: Bending, points 23 to 46
26
Thermal Diffusivity, mm2/s 6.0
4.2
Thermal Shock Resistance, points 25 to 71
25

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
24 to 26
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0.2 to 0.8
Iron (Fe), % 73.4 to 78.9
57 to 65.6
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 3.3 to 4.3
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 6.3 to 7.0
1.5 to 2.5
Vanadium (V), % 1.8 to 2.3
0