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R58150 Titanium vs. AISI 317LM Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while AISI 317LM 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 317LM stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
46
Fatigue Strength, MPa 330
210
Poisson's Ratio 0.32
0.28
Reduction in Area, % 68
56
Shear Modulus, GPa 52
79
Shear Strength, MPa 470
410
Tensile Strength: Ultimate (UTS), MPa 770
590
Tensile Strength: Yield (Proof), MPa 550
230

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 320
300
Melting Completion (Liquidus), °C 1760
1460
Melting Onset (Solidus), °C 1700
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 8.4
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
24
Density, g/cm3 5.4
8.0
Embodied Carbon, kg CO2/kg material 31
4.8
Embodied Energy, MJ/kg 480
65
Embodied Water, L/kg 150
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
130
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 to 0.030
Chromium (Cr), % 0
18 to 20
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
54.4 to 64.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 14 to 16
4.0 to 5.0
Nickel (Ni), % 0
13.5 to 17.5
Nitrogen (N), % 0 to 0.050
0 to 0.2
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