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ASTM A182 Grade FR vs. Grade 38 Titanium

ASTM A182 grade FR belongs to the iron alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade FR and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 28
11
Fatigue Strength, MPa 270
530
Poisson's Ratio 0.29
0.32
Reduction in Area, % 43
29
Shear Modulus, GPa 72
40
Shear Strength, MPa 320
600
Tensile Strength: Ultimate (UTS), MPa 490
1000
Tensile Strength: Yield (Proof), MPa 360
910

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 410
330
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1420
1570
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 52
8.0
Thermal Expansion, µm/m-K 13
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.6
35
Embodied Energy, MJ/kg 21
560
Embodied Water, L/kg 52
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
3840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17
62
Strength to Weight: Bending, points 17
49
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 14
72

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.5
Carbon (C), % 0 to 0.2
0 to 0.080
Copper (Cu), % 0.75 to 1.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 95.2 to 97.3
1.2 to 1.8
Manganese (Mn), % 0.4 to 1.1
0
Nickel (Ni), % 1.6 to 2.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4