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ASTM B817 Type II vs. EN 1.3961 Alloy

ASTM B817 type II belongs to the titanium alloys classification, while EN 1.3961 alloy belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
31
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 900 to 960
450
Tensile Strength: Yield (Proof), MPa 780 to 900
310

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 1580
1430
Melting Onset (Solidus), °C 1530
1390
Specific Heat Capacity, J/kg-K 550
460
Thermal Expansion, µm/m-K 9.9
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
25
Density, g/cm3 4.6
8.2
Embodied Carbon, kg CO2/kg material 40
4.8
Embodied Energy, MJ/kg 650
66
Embodied Water, L/kg 220
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
23
Strength to Weight: Axial, points 55 to 58
15
Strength to Weight: Bending, points 45 to 47
16
Thermal Shock Resistance, points 62 to 66
130

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.050
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
60.7 to 65
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
35 to 37
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 0.5
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