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ASTM Grade LC9 Steel vs. S24000 Stainless Steel

Both ASTM grade LC9 steel and S24000 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 27 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 S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
39
Fatigue Strength, MPa 420
370
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34
57
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 660
770
Tensile Strength: Yield (Proof), MPa 590
430

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 430
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 31
39
Embodied Water, L/kg 65
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
260
Resilience: Unit (Modulus of Resilience), kJ/m3 920
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
28
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.080
Chromium (Cr), % 0 to 0.5
17 to 19
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.4 to 91.5
61.5 to 69
Manganese (Mn), % 0 to 0.9
11.5 to 14.5
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 0.45
0 to 0.75
Sulfur (S), % 0 to 0.045
0 to 0.030
Vanadium (V), % 0 to 0.030
0