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AWS ERTi-1 vs. SAE-AISI 1008 Steel

AWS ERTi-1 belongs to the titanium alloys classification, while SAE-AISI 1008 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-1 and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 24
22 to 33
Fatigue Strength, MPa 120
150 to 220
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 240
330 to 370
Tensile Strength: Yield (Proof), MPa 170
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1670
1470
Melting Onset (Solidus), °C 1620
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
62
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
18
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 140
92 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 15
12 to 13
Strength to Weight: Bending, points 19
13 to 15
Thermal Diffusivity, mm2/s 8.7
17
Thermal Shock Resistance, points 19
10 to 12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
99.31 to 99.7
Manganese (Mn), % 0
0.3 to 0.5
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 99.773 to 99.97
0