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R58150 Titanium vs. AISI 304LN Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while AISI 304LN 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 R58150 titanium and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
7.8 to 46
Fatigue Strength, MPa 330
200 to 440
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 52
77
Shear Strength, MPa 470
400 to 680
Tensile Strength: Ultimate (UTS), MPa 770
580 to 1160
Tensile Strength: Yield (Proof), MPa 550
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 320
960
Melting Completion (Liquidus), °C 1760
1420
Melting Onset (Solidus), °C 1700
1380
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 8.4
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
16
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
3.1
Embodied Energy, MJ/kg 480
44
Embodied Water, L/kg 150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
21 to 41
Strength to Weight: Bending, points 35
20 to 31
Thermal Shock Resistance, points 48
13 to 26

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
18 to 20
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
65 to 73.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 14 to 16
0
Nickel (Ni), % 0
8.0 to 12
Nitrogen (N), % 0 to 0.050
0.1 to 0.16
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 83.5 to 86
0