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R58150 Titanium vs. AISI 347H Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while AISI 347H stainless steel belongs to the iron alloys. There are 27 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 347H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
39
Fatigue Strength, MPa 330
200
Poisson's Ratio 0.32
0.28
Reduction in Area, % 68
51
Shear Modulus, GPa 52
77
Shear Strength, MPa 470
400
Tensile Strength: Ultimate (UTS), MPa 770
580
Tensile Strength: Yield (Proof), MPa 550
230

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 320
940
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
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
19
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
3.6
Embodied Energy, MJ/kg 480
52
Embodied Water, L/kg 150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
21
Strength to Weight: Bending, points 35
20
Thermal Shock Resistance, points 48
13

Alloy Composition

Carbon (C), % 0 to 0.1
0.040 to 0.1
Chromium (Cr), % 0
17 to 19
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
64.1 to 74
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 14 to 16
0
Nickel (Ni), % 0
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.050
0
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