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SAE-AISI M41 Steel vs. EN 1.4821 Stainless Steel

Both SAE-AISI M41 steel and EN 1.4821 stainless steel are iron alloys. They have 73% 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 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
730

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1600
1410
Melting Onset (Solidus), °C 1550
1370
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 22
17
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
15
Density, g/cm3 8.4
7.6
Embodied Carbon, kg CO2/kg material 9.1
2.9
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 28
26
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 26 to 76
26
Strength to Weight: Bending, points 23 to 46
23
Thermal Diffusivity, mm2/s 6.0
4.6
Thermal Shock Resistance, points 25 to 71
21

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.1 to 0.2
Chromium (Cr), % 3.8 to 4.5
24.5 to 26.5
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
64.2 to 71.1
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.5
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0