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AWS ERTi-5 vs. ACI-ASTM CG3M Steel

AWS ERTi-5 belongs to the titanium alloys classification, while ACI-ASTM CG3M steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is ACI-ASTM CG3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
28
Fatigue Strength, MPa 470
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 900
580
Tensile Strength: Yield (Proof), MPa 830
270

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 340
1020
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
20
Density, g/cm3 4.4
7.9
Embodied Carbon, kg CO2/kg material 38
4.1
Embodied Energy, MJ/kg 610
56
Embodied Water, L/kg 200
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
20
Strength to Weight: Bending, points 46
20
Thermal Diffusivity, mm2/s 2.9
4.1
Thermal Shock Resistance, points 63
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0
18 to 21
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
58.9 to 70
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
9.0 to 13
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0