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EN 1.4451 Stainless Steel vs. R58150 Titanium

EN 1.4451 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 1.4451 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, % 25
13
Fatigue Strength, MPa 370
330
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
52
Tensile Strength: Ultimate (UTS), MPa 750
770
Tensile Strength: Yield (Proof), MPa 540
550

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1430
1760
Melting Onset (Solidus), °C 1380
1700
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 17
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
48
Density, g/cm3 7.8
5.4
Embodied Carbon, kg CO2/kg material 3.8
31
Embodied Energy, MJ/kg 53
480
Embodied Water, L/kg 190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
94
Resilience: Unit (Modulus of Resilience), kJ/m3 710
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 27
40
Strength to Weight: Bending, points 23
35
Thermal Shock Resistance, points 16
48

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 25 to 27
0
Copper (Cu), % 2.8 to 3.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 56.2 to 64.6
0 to 0.1
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.5 to 3.5
14 to 16
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.12 to 0.22
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
83.5 to 86