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ASTM B817 Type I vs. AWS ERNiCrFe-5

ASTM B817 type I belongs to the titanium alloys classification, while AWS ERNiCrFe-5 belongs to the nickel alloys. There are 24 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 I and the bottom bar is AWS ERNiCrFe-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 4.0 to 13
34
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 770 to 960
630

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Melting Completion (Liquidus), °C 1600
1390
Melting Onset (Solidus), °C 1550
1340
Specific Heat Capacity, J/kg-K 560
450
Thermal Conductivity, W/m-K 7.1
14
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
65
Density, g/cm3 4.4
8.5
Embodied Carbon, kg CO2/kg material 38
11
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
250

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 48 to 60
20
Strength to Weight: Bending, points 42 to 49
19
Thermal Diffusivity, mm2/s 2.9
3.6
Thermal Shock Resistance, points 54 to 68
19

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0 to 0.080
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
14 to 17
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
6.0 to 10
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
70 to 78.5
Niobium (Nb), % 0
1.5 to 3.0
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 0.35
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.5