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ASTM Grade HG10 MNN Steel vs. Grade 3 Titanium

ASTM grade HG10 MNN steel belongs to the iron alloys classification, while grade 3 titanium belongs to the titanium alloys. There are 30 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 3 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 23
21
Fatigue Strength, MPa 170
300
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 590
510
Tensile Strength: Yield (Proof), MPa 250
440

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 990
320
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1370
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.0
31
Embodied Energy, MJ/kg 58
510
Embodied Water, L/kg 160
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
910
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
32
Thermal Diffusivity, mm2/s 3.9
8.6
Thermal Shock Resistance, points 13
37

Alloy Composition

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 0.3
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 0.050
Oxygen (O), % 0
0 to 0.35
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 100
Residuals, % 0
0 to 0.4