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SAE-AISI 1039 Steel vs. AWS ERTi-1

SAE-AISI 1039 steel belongs to the iron alloys classification, while AWS ERTi-1 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 1039 steel and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14 to 18
24
Fatigue Strength, MPa 230 to 370
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 610 to 690
240
Tensile Strength: Yield (Proof), MPa 340 to 580
170

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 51
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
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 18
510
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 94
52
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 890
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22 to 24
15
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 14
8.7
Thermal Shock Resistance, points 19 to 22
19

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.030
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 98.5 to 98.9
0 to 0.080
Manganese (Mn), % 0.7 to 1.0
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
99.773 to 99.97