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SAE-AISI M3 Class 2 Steel vs. EN 1.3553 Steel

Both SAE-AISI M3 class 2 steel and EN 1.3553 steel are iron alloys. They have a very high 97% 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 SAE-AISI M3 class 2 steel and the bottom bar is EN 1.3553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
720

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1620
1620
Melting Onset (Solidus), °C 1570
1570
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 26
24
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 12
8.5
Embodied Energy, MJ/kg 180
130
Embodied Water, L/kg 110
96

Common Calculations

PREN (Pitting Resistance) 33
31
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 74
24
Strength to Weight: Bending, points 22 to 45
21
Thermal Diffusivity, mm2/s 7.2
6.4
Thermal Shock Resistance, points 24 to 69
21

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.78 to 0.86
Chromium (Cr), % 3.8 to 4.5
3.9 to 4.3
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 75.8 to 82.3
80.7 to 83.7
Manganese (Mn), % 0.15 to 0.4
0 to 0.4
Molybdenum (Mo), % 4.8 to 6.5
4.7 to 5.2
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 5.0 to 6.8
6.0 to 6.7
Vanadium (V), % 2.8 to 3.8
1.7 to 2.0