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R58150 Titanium vs. EN 1.4557 Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.4557 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
40
Fatigue Strength, MPa 330
260
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 52
80
Tensile Strength: Ultimate (UTS), MPa 770
560
Tensile Strength: Yield (Proof), MPa 550
300

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 320
1090
Melting Completion (Liquidus), °C 1760
1460
Melting Onset (Solidus), °C 1700
1420
Specific Heat Capacity, J/kg-K 500
460
Thermal Expansion, µm/m-K 8.4
17

Otherwise Unclassified Properties

Base Metal Price, % relative 48
29
Density, g/cm3 5.4
8.0
Embodied Carbon, kg CO2/kg material 31
5.6
Embodied Energy, MJ/kg 480
76
Embodied Water, L/kg 150
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 35
19
Thermal Shock Resistance, points 48
12

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
49.5 to 56.3
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 14 to 16
6.0 to 7.0
Nickel (Ni), % 0
17.5 to 19.5
Nitrogen (N), % 0 to 0.050
0.18 to 0.24
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 83.5 to 86
0