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SAE-AISI M34 Steel vs. EN 1.0644 Steel

Both SAE-AISI M34 steel and EN 1.0644 steel are iron alloys. They have 75% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M34 steel and the bottom bar is EN 1.0644 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
690

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1540
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 24
47
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
2.4
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 9.5
1.8
Embodied Energy, MJ/kg 140
24
Embodied Water, L/kg 150
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 74
24
Strength to Weight: Bending, points 23 to 46
22
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 25 to 67
22

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.050
Carbon (C), % 0.85 to 0.92
0.16 to 0.22
Chromium (Cr), % 3.5 to 4.0
0 to 0.3
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 71.3 to 76.5
96.1 to 98.4
Manganese (Mn), % 0.15 to 0.4
1.3 to 1.7
Molybdenum (Mo), % 7.8 to 9.2
0 to 0.080
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0.080 to 0.15