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SAE-AISI M7 Steel vs. EN 1.6522 Steel

Both SAE-AISI M7 steel and EN 1.6522 steel are iron alloys. They have 84% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (5, 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 1.6522 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
500 to 1460

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
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.6
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 8.9
1.5
Embodied Energy, MJ/kg 130
20
Embodied Water, L/kg 100
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 76
18 to 52
Strength to Weight: Bending, points 23 to 47
18 to 36
Thermal Diffusivity, mm2/s 7.8
10
Thermal Shock Resistance, points 24 to 69
15 to 43

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 1.0 to 1.1
0.17 to 0.23
Chromium (Cr), % 3.5 to 4.0
0.35 to 0.7
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 79.8 to 83.8
96.6 to 98.5
Manganese (Mn), % 0.15 to 0.4
0.6 to 1.0
Molybdenum (Mo), % 8.2 to 9.2
0.15 to 0.25
Nickel (Ni), % 0 to 0.3
0.4 to 0.7
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.55
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0

Comparable Variants