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ASTM B817 Type I vs. ASTM Grade LC2-1 Steel

ASTM B817 type I belongs to the titanium alloys classification, while ASTM grade LC2-1 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type I and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 4.0 to 13
20
Fatigue Strength, MPa 360 to 520
430
Poisson's Ratio 0.32
0.29
Reduction in Area, % 5.0 to 29
34
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 770 to 960
810
Tensile Strength: Yield (Proof), MPa 700 to 860
630

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 340
450
Melting Completion (Liquidus), °C 1600
1460
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
46
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
5.0
Density, g/cm3 4.4
7.9
Embodied Carbon, kg CO2/kg material 38
1.9
Embodied Energy, MJ/kg 610
25
Embodied Water, L/kg 200
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 48 to 60
29
Strength to Weight: Bending, points 42 to 49
25
Thermal Diffusivity, mm2/s 2.9
12
Thermal Shock Resistance, points 54 to 68
24

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0 to 0.22
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
1.4 to 1.9
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
92.5 to 95.3
Manganese (Mn), % 0
0.55 to 0.75
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
2.5 to 3.5
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.5
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.045
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0