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EN 1.8522 Steel vs. SAE-AISI M3 Class 2 Steel

Both EN 1.8522 steel and SAE-AISI M3 class 2 steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8522 steel and the bottom bar is SAE-AISI M3 class 2 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 74
77
Tensile Strength: Ultimate (UTS), MPa 730 to 1250
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1420
1570
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 39
26
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
25
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.2
12
Embodied Energy, MJ/kg 31
180
Embodied Water, L/kg 63
110

Common Calculations

PREN (Pitting Resistance) 6.2
33
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26 to 44
26 to 74
Strength to Weight: Bending, points 23 to 33
22 to 45
Thermal Diffusivity, mm2/s 11
7.2
Thermal Shock Resistance, points 21 to 36
24 to 69

Alloy Composition

Carbon (C), % 0.29 to 0.36
1.2 to 1.3
Chromium (Cr), % 2.8 to 3.3
3.8 to 4.5
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 93.7 to 96
75.8 to 82.3
Manganese (Mn), % 0.4 to 0.7
0.15 to 0.4
Molybdenum (Mo), % 0.7 to 1.2
4.8 to 6.5
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0.2 to 0.45
Sulfur (S), % 0 to 0.035
0 to 0.030
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0.15 to 0.25
2.8 to 3.8