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EN 1.3549 Stainless Steel vs. ASTM Grade LC9 Steel

Both EN 1.3549 stainless steel and ASTM grade LC9 steel are iron alloys. They have 81% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3549 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 730
660

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 910
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 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.3
Embodied Energy, MJ/kg 37
31
Embodied Water, L/kg 130
65

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
21
Thermal Shock Resistance, points 26
20

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.13
Chromium (Cr), % 17 to 19
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 77.5 to 82
87.4 to 91.5
Manganese (Mn), % 0 to 1.0
0 to 0.9
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.2
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0.070 to 0.12
0 to 0.030