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SAE-AISI M41 Steel vs. SAE-AISI 1049 Steel

Both SAE-AISI M41 steel and SAE-AISI 1049 steel are iron alloys. They have 77% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is SAE-AISI 1049 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
72
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
680 to 750

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1600
1460
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
51
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 120
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 76
24 to 27
Strength to Weight: Bending, points 23 to 46
22 to 23
Thermal Diffusivity, mm2/s 6.0
14
Thermal Shock Resistance, points 25 to 71
22 to 24

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.46 to 0.53
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
98.5 to 98.9
Manganese (Mn), % 0.2 to 0.6
0.6 to 0.9
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0