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ASTM Grade LC9 Steel vs. EN 1.4749 Stainless Steel

Both ASTM grade LC9 steel and EN 1.4749 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC9 steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
16
Fatigue Strength, MPa 420
190
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 660
600
Tensile Strength: Yield (Proof), MPa 590
320

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
13
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 2.3
2.5
Embodied Energy, MJ/kg 31
36
Embodied Water, L/kg 65
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
80
Resilience: Unit (Modulus of Resilience), kJ/m3 920
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.13
0.15 to 0.2
Chromium (Cr), % 0 to 0.5
26 to 29
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.4 to 91.5
68.5 to 73.7
Manganese (Mn), % 0 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.015
Vanadium (V), % 0 to 0.030
0