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ASTM Grade HG10 MNN Steel vs. Grade 37 Titanium

ASTM grade HG10 MNN steel belongs to the iron alloys classification, while grade 37 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 37 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 23
22
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 590
390
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 990
310
Melting Completion (Liquidus), °C 1420
1650
Melting Onset (Solidus), °C 1370
1600
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.8

Otherwise Unclassified Properties

Base Metal Price, % relative 21
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.0
31
Embodied Energy, MJ/kg 58
500
Embodied Water, L/kg 160
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
76
Resilience: Unit (Modulus of Resilience), kJ/m3 160
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 3.9
8.4
Thermal Shock Resistance, points 13
29

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
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 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
96.9 to 99
Residuals, % 0
0 to 0.4