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EN 1.8151 Steel vs. SAE-AISI M33 Steel

Both EN 1.8151 steel and SAE-AISI M33 steel are iron alloys. They have 76% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is SAE-AISI M33 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
78
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
810 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1440
1550
Melting Onset (Solidus), °C 1400
1500
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 50
20
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
32
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 1.8
7.7
Embodied Energy, MJ/kg 25
110
Embodied Water, L/kg 49
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 70
27 to 75
Strength to Weight: Bending, points 22 to 45
24 to 46
Thermal Diffusivity, mm2/s 14
5.5
Thermal Shock Resistance, points 20 to 58
25 to 68

Alloy Composition

Carbon (C), % 0.4 to 0.5
0.85 to 0.92
Chromium (Cr), % 0.4 to 0.8
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.9 to 97.2
71.4 to 76.3
Manganese (Mn), % 0.6 to 0.9
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.3 to 1.7
0.15 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
1.3 to 2.1
Vanadium (V), % 0.1 to 0.2
1.0 to 1.4

Comparable Variants