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Grade 1 Titanium vs. EN 1.4589 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.4589 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 1.4589 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 28
17
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
77
Shear Strength, MPa 200
400
Tensile Strength: Ultimate (UTS), MPa 310
650
Tensile Strength: Yield (Proof), MPa 220
440

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
810
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 20
25
Thermal Expansion, µm/m-K 8.8
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.9
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
7.8
Embodied Carbon, kg CO2/kg material 31
2.4
Embodied Energy, MJ/kg 510
34
Embodied Water, L/kg 110
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
96
Resilience: Unit (Modulus of Resilience), kJ/m3 230
490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 8.2
6.7
Thermal Shock Resistance, points 24
23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
13.5 to 15.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
78.2 to 85
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 0
1.0 to 2.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.095 to 100
0.3 to 0.5
Residuals, % 0 to 0.4
0