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Grade 1 Titanium vs. EN 1.3975 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.3975 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
27
Fatigue Strength, MPa 170
230
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Tensile Strength: Ultimate (UTS), MPa 310
660
Tensile Strength: Yield (Proof), MPa 220
320

Thermal Properties

Latent Heat of Fusion, J/g 420
340
Maximum Temperature: Mechanical, °C 320
910
Melting Completion (Liquidus), °C 1660
1360
Melting Onset (Solidus), °C 1610
1320
Specific Heat Capacity, J/kg-K 540
500
Thermal Expansion, µm/m-K 8.8
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
15
Density, g/cm3 4.5
7.5
Embodied Carbon, kg CO2/kg material 31
3.3
Embodied Energy, MJ/kg 510
47
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
150
Resilience: Unit (Modulus of Resilience), kJ/m3 230
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 24
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
58.2 to 65.4
Manganese (Mn), % 0
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0 to 0.030
0.080 to 0.18
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0