MakeItFrom.com
Menu (ESC)

R30556 Alloy vs. Grade 38 Titanium

R30556 alloy belongs to the iron alloys classification, while grade 38 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 R30556 alloy and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 45
11
Fatigue Strength, MPa 320
530
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
40
Shear Strength, MPa 550
600
Tensile Strength: Ultimate (UTS), MPa 780
1000
Tensile Strength: Yield (Proof), MPa 350
910

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
330
Melting Completion (Liquidus), °C 1420
1620
Melting Onset (Solidus), °C 1330
1570
Specific Heat Capacity, J/kg-K 450
550
Thermal Conductivity, W/m-K 11
8.0
Thermal Expansion, µm/m-K 15
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 8.4
4.5
Embodied Carbon, kg CO2/kg material 8.7
35
Embodied Energy, MJ/kg 130
560
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
3840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 26
62
Strength to Weight: Bending, points 22
49
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 18
72

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
3.5 to 4.5
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 20.4 to 38.2
1.2 to 1.8
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.2 to 0.8
0
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.3 to 1.3
0
Titanium (Ti), % 0
89.9 to 93.1
Tungsten (W), % 2.0 to 3.5
0
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0.0010 to 0.1
0
Residuals, % 0
0 to 0.4