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SAE-AISI M41 Steel vs. EN 1.4409 Stainless Steel

Both SAE-AISI M41 steel and EN 1.4409 stainless steel are iron alloys. They have 74% 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 1.4409 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
78
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
490

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1600
1440
Melting Onset (Solidus), °C 1550
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
19
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
3.7
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 28
28
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
17
Strength to Weight: Bending, points 23 to 46
18
Thermal Diffusivity, mm2/s 6.0
4.1
Thermal Shock Resistance, points 25 to 71
11

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
18 to 20
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
61.7 to 71
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Molybdenum (Mo), % 3.3 to 4.3
2.0 to 2.5
Nickel (Ni), % 0 to 0.3
9.0 to 12
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 0.5
0 to 1.5
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