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EN 1.7106 Steel vs. SAE-AISI M7 Steel

Both EN 1.7106 steel and SAE-AISI M7 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7106 steel and the bottom bar is SAE-AISI M7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 660 to 2020
760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1560
Melting Onset (Solidus), °C 1390
1510
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 46
28
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
18
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.5
8.9
Embodied Energy, MJ/kg 20
130
Embodied Water, L/kg 47
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 73
26 to 76
Strength to Weight: Bending, points 22 to 46
23 to 47
Thermal Diffusivity, mm2/s 13
7.8
Thermal Shock Resistance, points 20 to 61
24 to 69

Alloy Composition

Carbon (C), % 0.52 to 0.6
1.0 to 1.1
Chromium (Cr), % 0.2 to 0.45
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.9 to 97
79.8 to 83.8
Manganese (Mn), % 0.7 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.6 to 2.0
0.2 to 0.55
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3

Comparable Variants