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AWS ERTi-7 vs. ASTM A182 Grade F3V

AWS ERTi-7 belongs to the titanium alloys classification, while ASTM A182 grade F3V belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is ASTM A182 grade F3V.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
20
Fatigue Strength, MPa 190
330
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 340
660
Tensile Strength: Yield (Proof), MPa 280
470

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
470
Melting Completion (Liquidus), °C 1670
1470
Melting Onset (Solidus), °C 1620
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 47
2.3
Embodied Energy, MJ/kg 800
33
Embodied Water, L/kg 470
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
120
Resilience: Unit (Modulus of Resilience), kJ/m3 360
590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 8.8
10
Thermal Shock Resistance, points 26
19

Alloy Composition

Boron (B), % 0
0.0010 to 0.0030
Carbon (C), % 0 to 0.030
0.050 to 0.18
Chromium (Cr), % 0
2.8 to 3.2
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
94.4 to 95.7
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.417 to 99.8
0.015 to 0.035
Vanadium (V), % 0
0.2 to 0.3