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ASTM Grade LC9 Steel vs. S35125 Stainless Steel

Both ASTM grade LC9 steel and S35125 stainless steel are iron alloys. They have 51% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC9 steel and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
39
Fatigue Strength, MPa 420
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 660
540
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
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
36
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.3
6.4
Embodied Energy, MJ/kg 31
89
Embodied Water, L/kg 65
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 920
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 21
18
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.1
Chromium (Cr), % 0 to 0.5
20 to 23
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.4 to 91.5
36.2 to 45.8
Manganese (Mn), % 0 to 0.9
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.2
2.0 to 3.0
Nickel (Ni), % 8.5 to 10
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.045
0 to 0.015
Vanadium (V), % 0 to 0.030
0