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EN 1.3558 Steel vs. SAE-AISI M3 Class 2 Steel

Both EN 1.3558 steel and SAE-AISI M3 class 2 steel are iron alloys. They have 88% 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 1.3558 steel and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 770
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 1810
1620
Melting Onset (Solidus), °C 1760
1570
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 20
26
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
25
Density, g/cm3 9.3
8.3
Embodied Carbon, kg CO2/kg material 8.4
12
Embodied Energy, MJ/kg 130
180
Embodied Water, L/kg 90
110

Common Calculations

PREN (Pitting Resistance) 35
33
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 23
26 to 74
Strength to Weight: Bending, points 20
22 to 45
Thermal Diffusivity, mm2/s 5.3
7.2
Thermal Shock Resistance, points 22
24 to 69

Alloy Composition

Carbon (C), % 0.7 to 0.8
1.2 to 1.3
Chromium (Cr), % 3.9 to 4.3
3.8 to 4.5
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 73.7 to 77.6
75.8 to 82.3
Manganese (Mn), % 0 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.6
4.8 to 6.5
Nickel (Ni), % 0
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 0.015
0 to 0.030
Tungsten (W), % 17.5 to 19
5.0 to 6.8
Vanadium (V), % 1.0 to 1.3
2.8 to 3.8