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Grade 1 Titanium vs. EN 1.7357 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.7357 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 1.7357 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
23
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 310
590
Tensile Strength: Yield (Proof), MPa 220
360

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
430
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
41
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.9
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.6
Embodied Energy, MJ/kg 510
21
Embodied Water, L/kg 110
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 8.2
11
Thermal Shock Resistance, points 24
17

Alloy Composition

Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 0
1.0 to 1.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
96 to 97.9
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
0.45 to 0.65
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0