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ASTM Grade LC9 Steel vs. ASTM A182 Grade F6b

Both ASTM grade LC9 steel and ASTM A182 grade F6b are iron alloys. They have 87% of their average alloy composition in common. 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 LC9 steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
18
Fatigue Strength, MPa 420
440
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34
51
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 660
850
Tensile Strength: Yield (Proof), MPa 590
710

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 430
750
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
8.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.2
Embodied Energy, MJ/kg 31
30
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
1280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
30
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 20
31

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.15
Chromium (Cr), % 0 to 0.5
11.5 to 13.5
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 87.4 to 91.5
81.2 to 87.1
Manganese (Mn), % 0 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
0.4 to 0.6
Nickel (Ni), % 8.5 to 10
1.0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.020
Vanadium (V), % 0 to 0.030
0