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ASTM B817 Type II vs. EN 1.7383 Steel

ASTM B817 type II belongs to the titanium alloys classification, while EN 1.7383 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 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
20 to 23
Fatigue Strength, MPa 390 to 530
210 to 270
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 900 to 960
560 to 610
Tensile Strength: Yield (Proof), MPa 780 to 900
300 to 400

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 350
460
Melting Completion (Liquidus), °C 1580
1470
Melting Onset (Solidus), °C 1530
1430
Specific Heat Capacity, J/kg-K 550
470
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.9
Density, g/cm3 4.6
7.9
Embodied Carbon, kg CO2/kg material 40
1.8
Embodied Energy, MJ/kg 650
23
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
240 to 420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
20 to 22
Strength to Weight: Bending, points 45 to 47
19 to 20
Thermal Shock Resistance, points 62 to 66
16 to 18

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0 to 0.040
Carbon (C), % 0 to 0.1
0.080 to 0.15
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0.35 to 1.0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
94.3 to 96.6
Manganese (Mn), % 0
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.025
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
Vanadium (V), % 5.0 to 6.0
0
Residuals, % 0 to 0.4
0