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ASTM B817 Type II vs. EN 1.8522 Steel

ASTM B817 type II belongs to the titanium alloys classification, while EN 1.8522 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 1.8522 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
74
Tensile Strength: Ultimate (UTS), MPa 900 to 960
730 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 350
470
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
4.2
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 40
2.2
Embodied Energy, MJ/kg 650
31
Embodied Water, L/kg 220
63

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
26 to 44
Strength to Weight: Bending, points 45 to 47
23 to 33
Thermal Shock Resistance, points 62 to 66
21 to 36

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0.29 to 0.36
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
2.8 to 3.3
Copper (Cu), % 0.35 to 1.0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
93.7 to 96
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.7 to 1.2
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 0.4
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0.15 to 0.25
Residuals, % 0 to 0.4
0