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AWS ERTi-7 vs. SAE-AISI 1026 Steel

AWS ERTi-7 belongs to the titanium alloys classification, while SAE-AISI 1026 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is SAE-AISI 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
17 to 27
Fatigue Strength, MPa 190
200 to 310
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 340
500 to 550
Tensile Strength: Yield (Proof), MPa 280
270 to 470

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1670
1460
Melting Onset (Solidus), °C 1620
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
52
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 47
1.4
Embodied Energy, MJ/kg 800
18
Embodied Water, L/kg 470
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 360
200 to 580
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
18 to 20
Strength to Weight: Bending, points 24
18 to 19
Thermal Diffusivity, mm2/s 8.8
14
Thermal Shock Resistance, points 26
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.28
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
98.7 to 99.18
Manganese (Mn), % 0
0.6 to 0.9
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 99.417 to 99.8
0