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AWS E320LR vs. ASTM B817 Type I

AWS E320LR belongs to the iron alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 34
4.0 to 13
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 580
770 to 960

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Melting Completion (Liquidus), °C 1410
1600
Melting Onset (Solidus), °C 1360
1550
Specific Heat Capacity, J/kg-K 460
560
Thermal Expansion, µm/m-K 14
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
36
Density, g/cm3 8.2
4.4
Embodied Carbon, kg CO2/kg material 6.2
38
Embodied Energy, MJ/kg 87
610
Embodied Water, L/kg 220
200

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 20
48 to 60
Strength to Weight: Bending, points 19
42 to 49
Thermal Shock Resistance, points 15
54 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.030
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 32.7 to 42.5
0 to 0.4
Manganese (Mn), % 1.5 to 2.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
0
Niobium (Nb), % 0 to 0.4
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4