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R58150 Titanium vs. EN 1.4634 Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.4634 stainless steel belongs to the iron alloys. There are 26 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 R58150 titanium and the bottom bar is EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
21
Fatigue Strength, MPa 330
180
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 52
77
Shear Strength, MPa 470
340
Tensile Strength: Ultimate (UTS), MPa 770
540
Tensile Strength: Yield (Proof), MPa 550
280

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1760
1430
Melting Onset (Solidus), °C 1700
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 8.4
10

Otherwise Unclassified Properties

Base Metal Price, % relative 48
13
Density, g/cm3 5.4
7.7
Embodied Carbon, kg CO2/kg material 31
2.9
Embodied Energy, MJ/kg 480
42
Embodied Water, L/kg 150
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
93
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
20
Strength to Weight: Bending, points 35
19
Thermal Shock Resistance, points 48
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
74.9 to 81.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 14 to 16
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0.2 to 1.5
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 83.5 to 86
0