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EN 1.4659 Stainless Steel vs. ASTM Grade LC9 Steel

Both EN 1.4659 stainless steel and ASTM grade LC9 steel are iron alloys. They have 51% 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 1.4659 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 49
22
Fatigue Strength, MPa 460
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 900
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 1480
1450
Melting Onset (Solidus), °C 1430
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 37
8.0
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.5
2.3
Embodied Energy, MJ/kg 89
31
Embodied Water, L/kg 220
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
140
Resilience: Unit (Modulus of Resilience), kJ/m3 550
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 31
23
Strength to Weight: Bending, points 25
21
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.13
Chromium (Cr), % 23 to 25
0 to 0.5
Copper (Cu), % 1.0 to 2.0
0 to 0.3
Iron (Fe), % 35.7 to 45.7
87.4 to 91.5
Manganese (Mn), % 2.0 to 4.0
0 to 0.9
Molybdenum (Mo), % 5.5 to 6.5
0 to 0.2
Nickel (Ni), % 21 to 23
8.5 to 10
Nitrogen (N), % 0.35 to 0.5
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
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0
0 to 0.030