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SAE-AISI M7 Steel vs. AWS E2593

Both SAE-AISI M7 steel and AWS E2593 are iron alloys. They have 66% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M7 steel and the bottom bar is AWS E2593.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
850

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1560
1430
Melting Onset (Solidus), °C 1510
1390
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 18
22
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 8.9
4.2
Embodied Energy, MJ/kg 130
59
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 35
39
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 76
30
Strength to Weight: Bending, points 23 to 47
25
Thermal Diffusivity, mm2/s 7.8
4.3
Thermal Shock Resistance, points 24 to 69
21

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.040
Chromium (Cr), % 3.5 to 4.0
24 to 27
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 79.8 to 83.8
52.7 to 62.5
Manganese (Mn), % 0.15 to 0.4
0.5 to 1.5
Molybdenum (Mo), % 8.2 to 9.2
2.9 to 3.9
Nickel (Ni), % 0 to 0.3
8.5 to 10.5
Nitrogen (N), % 0
0.080 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.55
0 to 1.0
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