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ASTM B817 Type II vs. AWS ER120S-1

ASTM B817 type II belongs to the titanium alloys classification, while AWS ER120S-1 belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
17
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900 to 960
930
Tensile Strength: Yield (Proof), MPa 780 to 900
830

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Melting Completion (Liquidus), °C 1580
1460
Melting Onset (Solidus), °C 1530
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.2
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 40
1.9
Embodied Energy, MJ/kg 650
25
Embodied Water, L/kg 220
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
1850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
33
Strength to Weight: Bending, points 45 to 47
27
Thermal Shock Resistance, points 62 to 66
27

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0 to 0.1
Carbon (C), % 0 to 0.1
0 to 0.1
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0 to 0.6
Copper (Cu), % 0.35 to 1.0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
92.4 to 96.1
Manganese (Mn), % 0
1.4 to 1.8
Molybdenum (Mo), % 0
0.3 to 0.65
Nickel (Ni), % 0
2.0 to 2.8
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0.25 to 0.6
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0 to 0.1
Vanadium (V), % 5.0 to 6.0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5