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ASTM Grade LC9 Steel vs. S32520 Stainless Steel

Both ASTM grade LC9 steel and S32520 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 29 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 S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
28
Fatigue Strength, MPa 420
460
Poisson's Ratio 0.29
0.27
Reduction in Area, % 34
46
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 660
860
Tensile Strength: Yield (Proof), MPa 590
630

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
4.0
Embodied Energy, MJ/kg 31
55
Embodied Water, L/kg 65
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 920
960
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.030
Chromium (Cr), % 0 to 0.5
24 to 26
Copper (Cu), % 0 to 0.3
0.5 to 2.0
Iron (Fe), % 87.4 to 91.5
57.3 to 66.8
Manganese (Mn), % 0 to 0.9
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
3.0 to 4.0
Nickel (Ni), % 8.5 to 10
5.5 to 8.0
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.45
0 to 0.8
Sulfur (S), % 0 to 0.045
0 to 0.020
Vanadium (V), % 0 to 0.030
0