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EN 1.4539 Stainless Steel vs. ASTM Grade LC9 Steel

Both EN 1.4539 stainless steel and ASTM grade LC9 steel are iron alloys. They have 58% 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 EN 1.4539 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
22
Fatigue Strength, MPa 220
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 630
660
Tensile Strength: Yield (Proof), MPa 260
590

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
10

Otherwise Unclassified Properties

Base Metal Price, % relative 31
8.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.7
2.3
Embodied Energy, MJ/kg 78
31
Embodied Water, L/kg 200
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.13
Chromium (Cr), % 19 to 21
0 to 0.5
Copper (Cu), % 1.2 to 2.0
0 to 0.3
Iron (Fe), % 43.1 to 51.8
87.4 to 91.5
Manganese (Mn), % 0 to 2.0
0 to 0.9
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.2
Nickel (Ni), % 24 to 26
8.5 to 10
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.045
Vanadium (V), % 0
0 to 0.030