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ASTM A387 Grade 22L Class 1 vs. R56401 Titanium

ASTM A387 grade 22L class 1 belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22L class 1 and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
9.1
Fatigue Strength, MPa 160
480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
40
Shear Strength, MPa 310
560
Tensile Strength: Ultimate (UTS), MPa 500
940
Tensile Strength: Yield (Proof), MPa 230
850

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 460
340
Melting Completion (Liquidus), °C 1470
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 40
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.7
38
Embodied Energy, MJ/kg 23
610
Embodied Water, L/kg 58
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
83
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 18
59
Strength to Weight: Bending, points 18
48
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 14
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 2.0 to 2.5
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 95.2 to 96.8
0 to 0.25
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5