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ASTM Grade LC9 Steel vs. Nickel 685

ASTM grade LC9 steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. There are 27 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 LC9 steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
17
Fatigue Strength, MPa 420
470
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
20
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 660
1250
Tensile Strength: Yield (Proof), MPa 590
850

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 430
1000
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
75
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 2.3
10
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 65
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
190
Resilience: Unit (Modulus of Resilience), kJ/m3 920
1820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23
42
Strength to Weight: Bending, points 21
31
Thermal Shock Resistance, points 20
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.13
0.030 to 0.1
Chromium (Cr), % 0 to 0.5
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 87.4 to 91.5
0 to 2.0
Manganese (Mn), % 0 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
3.5 to 5.0
Nickel (Ni), % 8.5 to 10
49.6 to 62.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.45
0 to 0.75
Sulfur (S), % 0 to 0.045
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Vanadium (V), % 0 to 0.030
0
Zinc (Zn), % 0
0.020 to 0.12