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SAE-AISI 1070 Steel vs. AWS ERTi-2

SAE-AISI 1070 steel belongs to the iron alloys classification, while AWS ERTi-2 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-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 10 to 13
20
Fatigue Strength, MPa 270 to 350
190
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 640 to 760
340
Tensile Strength: Yield (Proof), MPa 420 to 560
280

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1670
Melting Onset (Solidus), °C 1420
1620
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 50
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 12
7.1

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 86
64
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 850
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 23 to 27
21
Strength to Weight: Bending, points 21 to 24
24
Thermal Diffusivity, mm2/s 14
8.7
Thermal Shock Resistance, points 21 to 25
27

Alloy Composition

Carbon (C), % 0.65 to 0.75
0 to 0.030
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 98.3 to 98.8
0 to 0.12
Manganese (Mn), % 0.6 to 0.9
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
99.667 to 99.92