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ASTM Grade LC3 Steel vs. N08031 Stainless Steel

Both ASTM grade LC3 steel and N08031 stainless steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. 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 LC3 steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 27
45
Fatigue Strength, MPa 230
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 570
730
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
39
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.7
7.1
Embodied Energy, MJ/kg 23
96
Embodied Water, L/kg 52
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
270
Resilience: Unit (Modulus of Resilience), kJ/m3 260
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 94.4 to 96.5
29 to 36.9
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 3.0 to 4.0
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.3
Sulfur (S), % 0 to 0.045
0 to 0.010