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SAE-AISI M1 Steel vs. Grade TDSiCr Steel

Both SAE-AISI M1 steel and grade TDSiCr steel are iron alloys. They have 85% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M1 steel and the bottom bar is grade TDSiCr 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
80
Tensile Strength: Ultimate (UTS), MPa 730 to 2140
1950

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1560
1440
Melting Onset (Solidus), °C 1510
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 29
46
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.2
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 7.0
1.5
Embodied Energy, MJ/kg 99
20
Embodied Water, L/kg 98
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 73
70
Strength to Weight: Bending, points 22 to 45
45
Thermal Diffusivity, mm2/s 8.0
12
Thermal Shock Resistance, points 23 to 66
58

Alloy Composition

Carbon (C), % 0.78 to 0.88
0.5 to 0.6
Chromium (Cr), % 3.5 to 4.0
0.5 to 0.8
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 81 to 84.8
96.6 to 97.8
Manganese (Mn), % 0.15 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.5
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0