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EN 1.6570 Steel vs. R58150 Titanium

EN 1.6570 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 1.6570 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, % 11 to 17
13
Fatigue Strength, MPa 500 to 660
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
52
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
770
Tensile Strength: Yield (Proof), MPa 760 to 1060
550

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 440
320
Melting Completion (Liquidus), °C 1460
1760
Melting Onset (Solidus), °C 1420
1700
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
48
Density, g/cm3 7.9
5.4
Embodied Carbon, kg CO2/kg material 1.7
31
Embodied Energy, MJ/kg 23
480
Embodied Water, L/kg 56
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
94
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 32 to 40
40
Strength to Weight: Bending, points 27 to 31
35
Thermal Shock Resistance, points 27 to 33
48

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.1
Chromium (Cr), % 1.0 to 1.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 94 to 96.2
0 to 0.1
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.3 to 0.5
14 to 16
Nickel (Ni), % 1.6 to 2.1
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
83.5 to 86