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R58150 Titanium vs. EN 1.4618 Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.4618 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
51
Fatigue Strength, MPa 330
240 to 250
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 52
77
Shear Strength, MPa 470
480 to 500
Tensile Strength: Ultimate (UTS), MPa 770
680 to 700
Tensile Strength: Yield (Proof), MPa 550
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1760
1400
Melting Onset (Solidus), °C 1700
1360
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 8.4
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
13
Density, g/cm3 5.4
7.7
Embodied Carbon, kg CO2/kg material 31
2.7
Embodied Energy, MJ/kg 480
39
Embodied Water, L/kg 150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
24 to 25
Strength to Weight: Bending, points 35
22 to 23
Thermal Shock Resistance, points 48
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
62.7 to 72.5
Manganese (Mn), % 0
5.5 to 9.5
Molybdenum (Mo), % 14 to 16
0
Nickel (Ni), % 0
4.5 to 5.5
Nitrogen (N), % 0 to 0.050
0 to 0.15
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.070
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 83.5 to 86
0