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AWS ERTi-5 vs. SAE-AISI M6 Steel

AWS ERTi-5 belongs to the titanium alloys classification, while SAE-AISI M6 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is SAE-AISI M6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 900
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1610
1560
Melting Onset (Solidus), °C 1560
1510
Specific Heat Capacity, J/kg-K 560
440
Thermal Conductivity, W/m-K 7.1
17
Thermal Expansion, µm/m-K 9.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
39
Density, g/cm3 4.4
8.4
Embodied Carbon, kg CO2/kg material 38
8.0
Embodied Energy, MJ/kg 610
120
Embodied Water, L/kg 200
160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 56
28 to 73
Strength to Weight: Bending, points 46
24 to 45
Thermal Diffusivity, mm2/s 2.9
4.7
Thermal Shock Resistance, points 63
26 to 68

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
11 to 13
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
68.8 to 74.6
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 3.5 to 4.5
1.3 to 1.7