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Grade 1 Titanium vs. EN 1.4527 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.4527 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
140
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
77
Tensile Strength: Ultimate (UTS), MPa 310
480
Tensile Strength: Yield (Proof), MPa 220
190

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1410
Melting Onset (Solidus), °C 1610
1360
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 8.8
15

Otherwise Unclassified Properties

Base Metal Price, % relative 37
32
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
5.6
Embodied Energy, MJ/kg 510
78
Embodied Water, L/kg 110
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
150
Resilience: Unit (Modulus of Resilience), kJ/m3 230
95
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 8.2
4.0
Thermal Shock Resistance, points 24
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
37.4 to 48.5
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
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 1.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0