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SAE-AISI M41 Steel vs. EN 1.8505 Steel

Both SAE-AISI M41 steel and EN 1.8505 steel are iron alloys. They have 79% 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 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
1050

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1600
1450
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
1.6
Embodied Energy, MJ/kg 140
22
Embodied Water, L/kg 120
65

Common Calculations

PREN (Pitting Resistance) 28
2.6
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
37
Strength to Weight: Bending, points 23 to 46
30
Thermal Diffusivity, mm2/s 6.0
11
Thermal Shock Resistance, points 25 to 71
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 1.1 to 1.2
0.28 to 0.35
Chromium (Cr), % 3.8 to 4.5
1.5 to 1.8
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
95.4 to 97.1
Manganese (Mn), % 0.2 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 3.3 to 4.3
0.2 to 0.4
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0