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ASTM Grade LC9 Steel vs. ASTM A182 Grade F122

Both ASTM grade LC9 steel and ASTM A182 grade F122 are iron alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC9 steel and the bottom bar is ASTM A182 grade F122.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
23
Fatigue Strength, MPa 420
320
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34
45
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 660
710
Tensile Strength: Yield (Proof), MPa 590
450

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 430
600
Melting Completion (Liquidus), °C 1450
1490
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
12
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.3
3.0
Embodied Energy, MJ/kg 31
44
Embodied Water, L/kg 65
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 920
520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 20
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.13
0.070 to 0.14
Chromium (Cr), % 0 to 0.5
10 to 11.5
Copper (Cu), % 0 to 0.3
0.3 to 1.7
Iron (Fe), % 87.4 to 91.5
81.3 to 87.7
Manganese (Mn), % 0 to 0.9
0 to 0.7
Molybdenum (Mo), % 0 to 0.2
0.25 to 0.6
Nickel (Ni), % 8.5 to 10
0 to 0.5
Niobium (Nb), % 0
0.040 to 0.1
Nitrogen (N), % 0
0.040 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.045
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0 to 0.030
0.15 to 0.3
Zirconium (Zr), % 0
0 to 0.010