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Grade 1 Titanium vs. EN 1.6982 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.6982 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
17
Fatigue Strength, MPa 170
350
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Tensile Strength: Ultimate (UTS), MPa 310
800
Tensile Strength: Yield (Proof), MPa 220
570

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
770
Melting Completion (Liquidus), °C 1660
1440
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
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
2.4
Embodied Energy, MJ/kg 510
33
Embodied Water, L/kg 110
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
28
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 8.2
6.6
Thermal Shock Resistance, points 24
29

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
12 to 13.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
78.7 to 84.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
3.5 to 5.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0