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AWS ERTi-2 vs. SAE-AISI 1080 Steel

AWS ERTi-2 belongs to the titanium alloys classification, while SAE-AISI 1080 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-2 and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
11
Fatigue Strength, MPa 190
300 to 360
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 340
770 to 870
Tensile Strength: Yield (Proof), MPa 280
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 360
610 to 920
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
27 to 31
Strength to Weight: Bending, points 24
24 to 26
Thermal Diffusivity, mm2/s 8.7
14
Thermal Shock Resistance, points 27
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.75 to 0.88
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
98.1 to 98.7
Manganese (Mn), % 0
0.6 to 0.9
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 99.667 to 99.92
0