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EN 1.4859 Stainless Steel vs. ASTM Grade LC9 Steel

Both EN 1.4859 stainless steel and ASTM grade LC9 steel are iron alloys. They have 55% of their average alloy composition in common. There are 28 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 EN 1.4859 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
22
Fatigue Strength, MPa 140
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 490
660
Tensile Strength: Yield (Proof), MPa 210
590

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1050
430
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
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 36
8.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.2
2.3
Embodied Energy, MJ/kg 88
31
Embodied Water, L/kg 190
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
140
Resilience: Unit (Modulus of Resilience), kJ/m3 110
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.13
Chromium (Cr), % 19 to 21
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 40.3 to 49
87.4 to 91.5
Manganese (Mn), % 0 to 2.0
0 to 0.9
Molybdenum (Mo), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 31 to 33
8.5 to 10
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0
0 to 0.030