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ASTM B817 Type II vs. AWS ERNiCrFe-5

ASTM B817 type II belongs to the titanium alloys classification, while AWS ERNiCrFe-5 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 ERNiCrFe-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
34
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 900 to 960
630

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Melting Completion (Liquidus), °C 1580
1390
Melting Onset (Solidus), °C 1530
1340
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
150
Embodied Water, L/kg 220
250

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 34
23
Strength to Weight: Axial, points 55 to 58
20
Strength to Weight: Bending, points 45 to 47
19
Thermal Shock Resistance, points 62 to 66
19

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
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), % 0.35 to 1.0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
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
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