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ASTM Grade LC9 Steel vs. EN 1.4658 Stainless Steel

Both ASTM grade LC9 steel and EN 1.4658 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22
28
Fatigue Strength, MPa 420
530
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 660
900
Tensile Strength: Yield (Proof), MPa 590
730

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
4.5
Embodied Energy, MJ/kg 31
61
Embodied Water, L/kg 65
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 920
1280
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
32
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.030
Chromium (Cr), % 0 to 0.5
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 87.4 to 91.5
50.9 to 63.7
Manganese (Mn), % 0 to 0.9
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
4.0 to 5.0
Nickel (Ni), % 8.5 to 10
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.045
0 to 0.010
Vanadium (V), % 0 to 0.030
0