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EN 1.4859 Stainless Steel vs. R58150 Titanium

EN 1.4859 stainless steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium alloys. There are 25 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 EN 1.4859 stainless steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 23
13
Fatigue Strength, MPa 140
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
52
Tensile Strength: Ultimate (UTS), MPa 490
770
Tensile Strength: Yield (Proof), MPa 210
550

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1050
320
Melting Completion (Liquidus), °C 1410
1760
Melting Onset (Solidus), °C 1360
1700
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 16
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
48
Density, g/cm3 8.0
5.4
Embodied Carbon, kg CO2/kg material 6.2
31
Embodied Energy, MJ/kg 88
480
Embodied Water, L/kg 190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
94
Resilience: Unit (Modulus of Resilience), kJ/m3 110
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 17
40
Strength to Weight: Bending, points 17
35
Thermal Shock Resistance, points 11
48

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 19 to 21
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 40.3 to 49
0 to 0.1
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
14 to 16
Nickel (Ni), % 31 to 33
0
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86