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ASTM Grade LC4 Steel vs. AISI 304L Stainless Steel

Both ASTM grade LC4 steel and AISI 304L stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 30 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 LC4 steel and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
6.7 to 46
Fatigue Strength, MPa 230
170 to 430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 570
540 to 1160
Tensile Strength: Yield (Proof), MPa 310
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
540
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.1
Embodied Energy, MJ/kg 24
44
Embodied Water, L/kg 54
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 260
92 to 1900
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
19 to 41
Strength to Weight: Bending, points 19
19 to 31
Thermal Diffusivity, mm2/s 13
4.2
Thermal Shock Resistance, points 17
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 0
18 to 20
Iron (Fe), % 93.4 to 95.5
65 to 74
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Nickel (Ni), % 4.0 to 5.0
8.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.045
0 to 0.030