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SAE-AISI S4 Steel vs. AWS ERTi-12

SAE-AISI S4 steel belongs to the iron alloys classification, while AWS ERTi-12 belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S4 steel and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
41
Tensile Strength: Ultimate (UTS), MPa 670 to 2140
480

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Melting Completion (Liquidus), °C 1430
1670
Melting Onset (Solidus), °C 1390
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 44
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.0
31
Embodied Energy, MJ/kg 29
510
Embodied Water, L/kg 48
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24 to 77
30
Strength to Weight: Bending, points 22 to 48
30
Thermal Diffusivity, mm2/s 12
8.7
Thermal Shock Resistance, points 20 to 65
37

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.030
Chromium (Cr), % 0.1 to 0.5
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 95.2 to 96.9
0 to 0.15
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0.060 to 0.090
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.8 to 2.3
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.147 to 99.66
Vanadium (V), % 0.15 to 0.35
0