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ASTM A182 Grade F23 vs. Grade 4 Titanium

ASTM A182 grade F23 belongs to the iron alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 32 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 A182 grade F23 and the bottom bar is grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 22
17
Fatigue Strength, MPa 320
340
Poisson's Ratio 0.29
0.32
Reduction in Area, % 46
28
Shear Modulus, GPa 74
41
Shear Strength, MPa 360
390
Tensile Strength: Ultimate (UTS), MPa 570
640
Tensile Strength: Yield (Proof), MPa 460
530

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 450
320
Melting Completion (Liquidus), °C 1500
1660
Melting Onset (Solidus), °C 1450
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 41
19
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
37
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 2.5
31
Embodied Energy, MJ/kg 36
500
Embodied Water, L/kg 59
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 550
1330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 20
40
Strength to Weight: Bending, points 19
37
Thermal Diffusivity, mm2/s 11
7.6
Thermal Shock Resistance, points 17
46

Alloy Composition


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Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 1.9 to 2.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.2 to 96.2
0 to 0.5
Manganese (Mn), % 0.1 to 0.6
0
Molybdenum (Mo), % 0.050 to 0.3
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.0050 to 0.060
98.6 to 100
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0
Residuals, % 0
0 to 0.4