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AWS E312 vs. Grade 38 Titanium

AWS E312 belongs to the iron alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 25
11
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 740
1000

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Melting Completion (Liquidus), °C 1410
1620
Melting Onset (Solidus), °C 1360
1570
Specific Heat Capacity, J/kg-K 480
550
Thermal Expansion, µm/m-K 15
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
36
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 3.6
35
Embodied Energy, MJ/kg 52
560
Embodied Water, L/kg 200
160

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 27
62
Strength to Weight: Bending, points 24
49
Thermal Shock Resistance, points 18
72

Alloy Composition


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Aluminum (Al), % 0
3.5 to 4.5
Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 28 to 32
0
Copper (Cu), % 0 to 0.75
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 52.3 to 63.5
1.2 to 1.8
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4