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SAE-AISI 1070 Steel vs. AWS ERTi-5

SAE-AISI 1070 steel belongs to the iron alloys classification, while AWS ERTi-5 belongs to the titanium 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 SAE-AISI 1070 steel and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 10 to 13
10
Fatigue Strength, MPa 270 to 350
470
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 640 to 760
900
Tensile Strength: Yield (Proof), MPa 420 to 560
830

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 50
7.1
Thermal Expansion, µm/m-K 12
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 1.4
38
Embodied Energy, MJ/kg 19
610
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 86
87
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 850
3250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 23 to 27
56
Strength to Weight: Bending, points 21 to 24
46
Thermal Diffusivity, mm2/s 14
2.9
Thermal Shock Resistance, points 21 to 25
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.65 to 0.75
0 to 0.050
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 98.3 to 98.8
0 to 0.22
Manganese (Mn), % 0.6 to 0.9
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
88.2 to 90.9
Vanadium (V), % 0
3.5 to 4.5