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ASTM B817 Type II vs. EN 1.5805 Steel

ASTM B817 type II belongs to the titanium alloys classification, while EN 1.5805 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 1.5805 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900 to 960
460 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 350
430
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
3.1
Density, g/cm3 4.6
7.9
Embodied Carbon, kg CO2/kg material 40
1.6
Embodied Energy, MJ/kg 650
21
Embodied Water, L/kg 220
53

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
16 to 42
Strength to Weight: Bending, points 45 to 47
17 to 32
Thermal Shock Resistance, points 62 to 66
13 to 35

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0.070 to 0.12
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0.35 to 1.0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
95.7 to 97.2
Manganese (Mn), % 0
0.6 to 0.9
Nickel (Ni), % 0
1.2 to 1.5
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 0.3
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.025
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