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EN 1.4958 Stainless Steel vs. R58150 Titanium

EN 1.4958 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 1.4958 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, % 40
13
Fatigue Strength, MPa 170
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
52
Shear Strength, MPa 430
470
Tensile Strength: Ultimate (UTS), MPa 630
770
Tensile Strength: Yield (Proof), MPa 190
550

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1090
320
Melting Completion (Liquidus), °C 1400
1760
Melting Onset (Solidus), °C 1350
1700
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 15
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
48
Density, g/cm3 8.0
5.4
Embodied Carbon, kg CO2/kg material 5.3
31
Embodied Energy, MJ/kg 75
480
Embodied Water, L/kg 200
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
94
Resilience: Unit (Modulus of Resilience), kJ/m3 95
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 22
40
Strength to Weight: Bending, points 20
35
Thermal Shock Resistance, points 15
48

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0 to 0.1
Chromium (Cr), % 19 to 22
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 41.1 to 50.6
0 to 0.1
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 30 to 32.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.2 to 0.5
83.5 to 86