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Grade 1 Titanium vs. EN 1.4874 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.4874 stainless steel belongs to the iron alloys. There are 28 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 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
140
Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 28
6.7
Fatigue Strength, MPa 170
180
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
80
Tensile Strength: Ultimate (UTS), MPa 310
480
Tensile Strength: Yield (Proof), MPa 220
360

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1150
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
450
Thermal Conductivity, W/m-K 20
13
Thermal Expansion, µm/m-K 8.8
15

Otherwise Unclassified Properties

Base Metal Price, % relative 37
70
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 31
7.6
Embodied Energy, MJ/kg 510
110
Embodied Water, L/kg 110
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
29
Resilience: Unit (Modulus of Resilience), kJ/m3 230
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 8.2
3.3
Thermal Shock Resistance, points 24
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.35 to 0.65
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
18.5 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
23 to 38.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
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 0.030
Titanium (Ti), % 99.095 to 100
0
Tungsten (W), % 0
2.0 to 3.0
Residuals, % 0 to 0.4
0