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ASTM Grade LC9 Steel vs. S33425 Stainless Steel

Both ASTM grade LC9 steel and S33425 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC9 steel and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
45
Fatigue Strength, MPa 420
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 660
580
Tensile Strength: Yield (Proof), MPa 590
230

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
27
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
5.1
Embodied Energy, MJ/kg 31
71
Embodied Water, L/kg 65
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
210
Resilience: Unit (Modulus of Resilience), kJ/m3 920
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 20
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.13
0 to 0.080
Chromium (Cr), % 0 to 0.5
21 to 23
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.4 to 91.5
47.2 to 56.7
Manganese (Mn), % 0 to 0.9
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
2.0 to 3.0
Nickel (Ni), % 8.5 to 10
20 to 23
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0 to 0.030
0