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EN 1.7380 Steel vs. R58150 Titanium

EN 1.7380 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7380 steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 19 to 20
13
Fatigue Strength, MPa 200 to 230
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
52
Shear Strength, MPa 330 to 350
470
Tensile Strength: Ultimate (UTS), MPa 540 to 550
770
Tensile Strength: Yield (Proof), MPa 290 to 330
550

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 460
320
Melting Completion (Liquidus), °C 1470
1760
Melting Onset (Solidus), °C 1430
1700
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
48
Density, g/cm3 7.9
5.4
Embodied Carbon, kg CO2/kg material 1.8
31
Embodied Energy, MJ/kg 23
480
Embodied Water, L/kg 59
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
94
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 19 to 20
40
Strength to Weight: Bending, points 19
35
Thermal Shock Resistance, points 15 to 16
48

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.1
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 94.6 to 96.6
0 to 0.1
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.1
14 to 16
Nitrogen (N), % 0 to 0.012
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
83.5 to 86