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AWS ERTi-7 vs. SAE-AISI 1065 Steel

AWS ERTi-7 belongs to the titanium alloys classification, while SAE-AISI 1065 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 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
11 to 14
Fatigue Strength, MPa 190
270 to 340
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 340
710 to 780
Tensile Strength: Yield (Proof), MPa 280
430 to 550

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
51
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 47
1.4
Embodied Energy, MJ/kg 800
19
Embodied Water, L/kg 470
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 360
490 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
25 to 28
Strength to Weight: Bending, points 24
23 to 24
Thermal Diffusivity, mm2/s 8.8
14
Thermal Shock Resistance, points 26
25 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.6 to 0.7
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
98.3 to 98.8
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