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ASTM Grade LC3 Steel vs. EN 1.4374 Stainless Steel

Both ASTM grade LC3 steel and EN 1.4374 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC3 steel and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
40
Fatigue Strength, MPa 230
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 570
800
Tensile Strength: Yield (Proof), MPa 310
400

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
920
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 23
42
Embodied Water, L/kg 52
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
270
Resilience: Unit (Modulus of Resilience), kJ/m3 260
400
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.15
0.050 to 0.1
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 94.4 to 96.5
63.5 to 67.9
Manganese (Mn), % 0.5 to 0.8
9.0 to 10
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 3.0 to 4.0
5.0 to 6.0
Nitrogen (N), % 0
0.25 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.6
0.3 to 0.6
Sulfur (S), % 0 to 0.045
0 to 0.030