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EN 1.4518 Stainless Steel vs. ASTM Grade LCA Steel

Both EN 1.4518 stainless steel and ASTM grade LCA steel are iron alloys. They have 67% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 stainless steel and the bottom bar is ASTM grade LCA steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
27
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 490
500
Tensile Strength: Yield (Proof), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.4
Embodied Energy, MJ/kg 55
19
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 14
16

Alloy Composition


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Carbon (C), % 0 to 0.030
0 to 0.25
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.4 to 70
96.9 to 100
Manganese (Mn), % 0 to 1.5
0 to 0.7
Molybdenum (Mo), % 3.0 to 3.5
0 to 0.2
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.045
Residuals, % 0
0 to 1.0