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SAE-AISI M41 Steel vs. EN 1.4150 Stainless Steel

Both SAE-AISI M41 steel and EN 1.4150 stainless steel are iron alloys. They have 82% 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 EN 1.4150 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 800 to 2290
730

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1600
1420
Melting Onset (Solidus), °C 1550
1380
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 22
23
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.5
Density, g/cm3 8.4
7.6
Embodied Carbon, kg CO2/kg material 9.1
2.8
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 28
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
27
Strength to Weight: Bending, points 23 to 46
24
Thermal Diffusivity, mm2/s 6.0
6.2
Thermal Shock Resistance, points 25 to 71
27

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.45 to 0.6
Chromium (Cr), % 3.8 to 4.5
15 to 16.5
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
79 to 82.8
Manganese (Mn), % 0.2 to 0.6
0 to 0.8
Molybdenum (Mo), % 3.3 to 4.3
0.2 to 0.4
Nickel (Ni), % 0 to 0.3
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.5
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0.2 to 0.4