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AISI 304 Stainless Steel vs. ASTM Grade LC9 Steel

Both AISI 304 stainless steel and ASTM grade LC9 steel are iron alloys. They have 81% of their average alloy composition in common. There are 28 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 AISI 304 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 360
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 8.0 to 43
22
Fatigue Strength, MPa 210 to 440
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
660
Tensile Strength: Yield (Proof), MPa 230 to 860
590

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 710
430
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
8.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.3
Embodied Energy, MJ/kg 43
31
Embodied Water, L/kg 150
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 42
23
Strength to Weight: Bending, points 20 to 32
21
Thermal Shock Resistance, points 12 to 25
20

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.13
Chromium (Cr), % 18 to 20
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 66.5 to 74
87.4 to 91.5
Manganese (Mn), % 0 to 2.0
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 8.0 to 10.5
8.5 to 10
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0
0 to 0.030