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SAE-AISI M3 Class 1 Steel vs. Grade TDSiCrV Steel

Both SAE-AISI M3 class 1 steel and grade TDSiCrV steel are iron alloys. They have 82% 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 M3 class 1 steel and the bottom bar is grade TDSiCrV 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 770 to 2150
2100

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1570
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 26
47
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.3
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 10
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 100
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 72
75
Strength to Weight: Bending, points 22 to 44
47
Thermal Diffusivity, mm2/s 7.2
13
Thermal Shock Resistance, points 24 to 67
63

Alloy Composition

Carbon (C), % 1.0 to 1.1
0.5 to 0.7
Chromium (Cr), % 3.8 to 4.5
0.5 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 76.9 to 82.9
96.1 to 97.8
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.9
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
1.2 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0.1 to 0.25