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ASTM B817 Type II vs. AWS ENiCrFe-2

ASTM B817 type II belongs to the titanium alloys classification, while AWS ENiCrFe-2 belongs to the nickel alloys. There are 20 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 ASTM B817 type II and the bottom bar is AWS ENiCrFe-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
28
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 900 to 960
790

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Melting Completion (Liquidus), °C 1580
1390
Melting Onset (Solidus), °C 1530
1350
Specific Heat Capacity, J/kg-K 550
450
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
65
Density, g/cm3 4.6
8.5
Embodied Carbon, kg CO2/kg material 40
11
Embodied Energy, MJ/kg 650
160
Embodied Water, L/kg 220
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
23
Strength to Weight: Axial, points 55 to 58
26
Strength to Weight: Bending, points 45 to 47
22
Thermal Shock Resistance, points 62 to 66
24

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.1
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
13 to 17
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0.35 to 1.0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 12
Manganese (Mn), % 0
1.0 to 3.5
Molybdenum (Mo), % 0
0.5 to 2.5
Nickel (Ni), % 0
62 to 85
Niobium (Nb), % 0
0.5 to 4.0
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.75
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Residuals, % 0 to 0.4
0 to 0.5