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SAE-AISI M7 Steel vs. EN 1.8828 Steel

Both SAE-AISI M7 steel and EN 1.8828 steel are iron alloys. They have 83% 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 M7 steel and the bottom bar is EN 1.8828 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 760 to 2210
580

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1560
1460
Melting Onset (Solidus), °C 1510
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
49
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.3
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 8.9
1.6
Embodied Energy, MJ/kg 130
21
Embodied Water, L/kg 100
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 76
21
Strength to Weight: Bending, points 23 to 47
20
Thermal Diffusivity, mm2/s 7.8
13
Thermal Shock Resistance, points 24 to 69
17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.040
Carbon (C), % 1.0 to 1.1
0 to 0.16
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.8 to 83.8
96.7 to 99.98
Manganese (Mn), % 0.15 to 0.4
0 to 1.7
Molybdenum (Mo), % 8.2 to 9.2
0 to 0.2
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.55
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0 to 0.1