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AISI W2 Steel vs. SAE-AISI M41 Steel

Both AISI W2 steel and SAE-AISI M41 steel are iron alloys. They have 79% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is SAE-AISI M41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1450
1600
Melting Onset (Solidus), °C 1410
1550
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 45
22
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
33
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.0
9.1
Embodied Energy, MJ/kg 29
140
Embodied Water, L/kg 48
120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 86
26 to 76
Strength to Weight: Bending, points 20 to 51
23 to 46
Thermal Diffusivity, mm2/s 12
6.0
Thermal Shock Resistance, points 19 to 80
25 to 71

Alloy Composition

Carbon (C), % 0.85 to 1.5
1.1 to 1.2
Chromium (Cr), % 0 to 0.15
3.8 to 4.5
Cobalt (Co), % 0
4.8 to 5.8
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 96.2 to 98.6
73.4 to 78.9
Manganese (Mn), % 0.35 to 0.74
0.2 to 0.6
Molybdenum (Mo), % 0 to 0.1
3.3 to 4.3
Nickel (Ni), % 0 to 0.2
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.4
0.15 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0 to 0.15
6.3 to 7.0
Vanadium (V), % 0.15 to 0.35
1.8 to 2.3

Comparable Variants