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ASTM Grade HG10 MNN Steel vs. ASTM Grade LC9 Steel

Both ASTM grade HG10 MNN steel and ASTM grade LC9 steel are iron alloys. They have 73% of their average alloy composition in common. There are 28 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 ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
22
Fatigue Strength, MPa 170
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 590
660
Tensile Strength: Yield (Proof), MPa 250
590

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 990
430
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 21
8.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
2.3
Embodied Energy, MJ/kg 58
31
Embodied Water, L/kg 160
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 13
20

Alloy Composition

Carbon (C), % 0.070 to 0.11
0 to 0.13
Chromium (Cr), % 18.5 to 20.5
0 to 0.5
Copper (Cu), % 0 to 0.5
0 to 0.3
Iron (Fe), % 57.9 to 66.5
87.4 to 91.5
Manganese (Mn), % 3.0 to 5.0
0 to 0.9
Molybdenum (Mo), % 0.25 to 0.45
0 to 0.2
Nickel (Ni), % 11.5 to 13.5
8.5 to 10
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0
0 to 0.030