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AWS ERTi-5 vs. SAE-AISI H12 Steel

AWS ERTi-5 belongs to the titanium alloys classification, while SAE-AISI H12 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 900
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Melting Completion (Liquidus), °C 1610
1480
Melting Onset (Solidus), °C 1560
1440
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
36
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.0
Density, g/cm3 4.4
7.9
Embodied Carbon, kg CO2/kg material 38
2.9
Embodied Energy, MJ/kg 610
41
Embodied Water, L/kg 200
76

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 56
24 to 65
Strength to Weight: Bending, points 46
22 to 42
Thermal Diffusivity, mm2/s 2.9
9.8
Thermal Shock Resistance, points 63
22 to 60

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0.3 to 0.4
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
87.8 to 91.7
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
0 to 0.3
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
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 3.5 to 4.5
0 to 0.5