MakeItFrom.com
Menu (ESC)

Grade 38 Titanium vs. EN 1.4821 Stainless Steel

Grade 38 titanium belongs to the titanium alloys classification, while EN 1.4821 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 38 titanium and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
18
Fatigue Strength, MPa 530
280
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
79
Shear Strength, MPa 600
450
Tensile Strength: Ultimate (UTS), MPa 1000
730
Tensile Strength: Yield (Proof), MPa 910
450

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 330
1100
Melting Completion (Liquidus), °C 1620
1410
Melting Onset (Solidus), °C 1570
1370
Specific Heat Capacity, J/kg-K 550
490
Thermal Conductivity, W/m-K 8.0
17
Thermal Expansion, µm/m-K 9.3
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 35
2.9
Embodied Energy, MJ/kg 560
41
Embodied Water, L/kg 160
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3840
500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 62
26
Strength to Weight: Bending, points 49
23
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 72
21

Alloy Composition

Aluminum (Al), % 3.5 to 4.5
0
Carbon (C), % 0 to 0.080
0.1 to 0.2
Chromium (Cr), % 0
24.5 to 26.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 1.2 to 1.8
64.2 to 71.1
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0 to 0.030
0 to 0.1
Oxygen (O), % 0.2 to 0.3
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.8 to 1.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 89.9 to 93.1
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0