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ASTM Grade HG10 MNN Steel vs. Grade 9 Titanium

ASTM grade HG10 MNN steel belongs to the iron alloys classification, while grade 9 titanium belongs to the titanium 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 ASTM grade HG10 MNN steel and the bottom bar is grade 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 23
11 to 17
Fatigue Strength, MPa 170
330 to 480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 590
700 to 960
Tensile Strength: Yield (Proof), MPa 250
540 to 830

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 990
330
Melting Completion (Liquidus), °C 1420
1640
Melting Onset (Solidus), °C 1370
1590
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 15
8.1
Thermal Expansion, µm/m-K 16
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.0
36
Embodied Energy, MJ/kg 58
580
Embodied Water, L/kg 160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1380 to 3220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
43 to 60
Strength to Weight: Bending, points 20
39 to 48
Thermal Diffusivity, mm2/s 3.9
3.3
Thermal Shock Resistance, points 13
52 to 71

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.070 to 0.11
0 to 0.080
Chromium (Cr), % 18.5 to 20.5
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 57.9 to 66.5
0 to 0.25
Manganese (Mn), % 3.0 to 5.0
0
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0.2 to 0.3
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4