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EN 1.4911 Stainless Steel vs. R58150 Titanium

EN 1.4911 stainless steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4911 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, % 11
13
Fatigue Strength, MPa 530
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
52
Shear Strength, MPa 640
470
Tensile Strength: Ultimate (UTS), MPa 1070
770
Tensile Strength: Yield (Proof), MPa 970
550

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 700
320
Melting Completion (Liquidus), °C 1450
1760
Melting Onset (Solidus), °C 1410
1700
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 11
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
48
Density, g/cm3 7.9
5.4
Embodied Carbon, kg CO2/kg material 3.4
31
Embodied Energy, MJ/kg 49
480
Embodied Water, L/kg 130
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
94
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 38
40
Strength to Weight: Bending, points 30
35
Thermal Shock Resistance, points 37
48

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.1
Chromium (Cr), % 9.8 to 11.2
0
Cobalt (Co), % 5.0 to 7.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 75.7 to 83.8
0 to 0.1
Manganese (Mn), % 0.3 to 1.3
0
Molybdenum (Mo), % 0.5 to 1.0
14 to 16
Nickel (Ni), % 0.2 to 1.2
0
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.8
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
83.5 to 86
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0