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EN 1.4568 Stainless Steel vs. ASTM Grade LC9 Steel

Both EN 1.4568 stainless steel and ASTM grade LC9 steel are iron alloys. They have 82% 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 1.4568 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, % 2.3 to 21
22
Fatigue Strength, MPa 220 to 670
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
660
Tensile Strength: Yield (Proof), MPa 330 to 1490
590

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 890
430
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 40
31
Embodied Water, L/kg 140
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 58
23
Strength to Weight: Bending, points 25 to 40
21
Thermal Shock Resistance, points 23 to 46
20

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.13
Chromium (Cr), % 16 to 18
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 70.9 to 76.8
87.4 to 91.5
Manganese (Mn), % 0 to 1.0
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 6.5 to 7.8
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.045
Vanadium (V), % 0
0 to 0.030