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ASTM B817 Type II vs. EN 1.6368 Steel

ASTM B817 type II belongs to the titanium alloys classification, while EN 1.6368 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
18
Fatigue Strength, MPa 390 to 530
310 to 330
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900 to 960
660 to 690
Tensile Strength: Yield (Proof), MPa 780 to 900
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 350
410
Melting Completion (Liquidus), °C 1580
1460
Melting Onset (Solidus), °C 1530
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.4
Density, g/cm3 4.6
7.9
Embodied Carbon, kg CO2/kg material 40
1.7
Embodied Energy, MJ/kg 650
22
Embodied Water, L/kg 220
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
580 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
23 to 24
Strength to Weight: Bending, points 45 to 47
21 to 22
Thermal Shock Resistance, points 62 to 66
20

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0.015 to 0.040
Carbon (C), % 0 to 0.1
0 to 0.17
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0.35 to 1.0
0.5 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
95.1 to 97.2
Manganese (Mn), % 0
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0 to 0.040
0 to 0.020
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0.25 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