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ASTM B817 Type II vs. EN 1.8201 Steel

ASTM B817 type II belongs to the titanium alloys classification, while EN 1.8201 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
20
Fatigue Strength, MPa 390 to 530
310
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 900 to 960
630
Tensile Strength: Yield (Proof), MPa 780 to 900
450

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 350
450
Melting Completion (Liquidus), °C 1580
1500
Melting Onset (Solidus), °C 1530
1450
Specific Heat Capacity, J/kg-K 550
470
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.0
Density, g/cm3 4.6
8.0
Embodied Carbon, kg CO2/kg material 40
2.5
Embodied Energy, MJ/kg 650
36
Embodied Water, L/kg 220
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
22
Strength to Weight: Bending, points 45 to 47
20
Thermal Shock Resistance, points 62 to 66
18

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.1
0.040 to 0.1
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
1.9 to 2.6
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
93.6 to 96.2
Manganese (Mn), % 0
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0 to 0.040
0 to 0.015
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 0.010
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 5.0 to 6.0
0.2 to 0.3
Residuals, % 0 to 0.4
0