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Grade 6 Titanium vs. ASTM Grade HG10 MNN Steel

Grade 6 titanium belongs to the titanium alloys classification, while ASTM grade HG10 MNN steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 11
23
Fatigue Strength, MPa 290
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
77
Tensile Strength: Ultimate (UTS), MPa 890
590
Tensile Strength: Yield (Proof), MPa 840
250

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 310
990
Melting Completion (Liquidus), °C 1580
1420
Melting Onset (Solidus), °C 1530
1370
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
15
Thermal Expansion, µm/m-K 9.4
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
21
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
4.0
Embodied Energy, MJ/kg 480
58
Embodied Water, L/kg 190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
21
Strength to Weight: Bending, points 46
20
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 65
13

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0.070 to 0.11
Chromium (Cr), % 0
18.5 to 20.5
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
57.9 to 66.5
Manganese (Mn), % 0
3.0 to 5.0
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.030
0.2 to 0.3
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0