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Grade 1 Titanium vs. EN 1.4630 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.4630 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 1 titanium and the bottom bar is EN 1.4630 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
23
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 200
300
Tensile Strength: Ultimate (UTS), MPa 310
480
Tensile Strength: Yield (Proof), MPa 220
250

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
800
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 20
28
Thermal Expansion, µm/m-K 8.8
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
2.5
Embodied Energy, MJ/kg 510
36
Embodied Water, L/kg 110
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
92
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 8.2
7.5
Thermal Shock Resistance, points 24
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
13 to 16
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
77.1 to 86.7
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0.2 to 1.5
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 99.095 to 100
0.15 to 0.8
Residuals, % 0 to 0.4
0