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EN 1.6570 Steel vs. Grade 2 Titanium

EN 1.6570 steel belongs to the iron alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6570 steel and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 500 to 660
250
Impact Strength: V-Notched Charpy, J 40 to 48
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
38
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
420
Tensile Strength: Yield (Proof), MPa 760 to 1060
360

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 440
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 40
22
Thermal Expansion, µm/m-K 13
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.7
31
Embodied Energy, MJ/kg 23
510
Embodied Water, L/kg 56
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
600
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 32 to 40
26
Strength to Weight: Bending, points 27 to 31
28
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 27 to 33
32

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.080
Chromium (Cr), % 1.0 to 1.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 94 to 96.2
0 to 0.3
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 1.6 to 2.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.9 to 100
Residuals, % 0
0 to 0.4