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EN 1.4474 Stainless Steel vs. ASTM Grade LC9 Steel

Both EN 1.4474 stainless steel and ASTM grade LC9 steel are iron alloys. They have 72% of their average alloy composition in common. 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 EN 1.4474 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
22
Fatigue Strength, MPa 320
420
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 670
660
Tensile Strength: Yield (Proof), MPa 480
590

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 17
8.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
2.3
Embodied Energy, MJ/kg 48
31
Embodied Water, L/kg 170
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 560
920
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.13
Chromium (Cr), % 25 to 27
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.2 to 69.1
87.4 to 91.5
Manganese (Mn), % 0 to 2.0
0 to 0.9
Molybdenum (Mo), % 1.3 to 2.0
0 to 0.2
Nickel (Ni), % 4.5 to 6.5
8.5 to 10
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.025
0 to 0.045
Vanadium (V), % 0
0 to 0.030