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ASTM Grade LC4 Steel vs. EN 1.4122 Stainless Steel

Both ASTM grade LC4 steel and EN 1.4122 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 29 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 ASTM grade LC4 steel and the bottom bar is EN 1.4122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
14
Fatigue Strength, MPa 230
260 to 360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 570
790 to 850
Tensile Strength: Yield (Proof), MPa 310
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
870
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
15
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
9.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.4
Embodied Energy, MJ/kg 24
33
Embodied Water, L/kg 54
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
520 to 1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
28 to 31
Strength to Weight: Bending, points 19
25 to 26
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 17
28 to 30

Alloy Composition

Carbon (C), % 0 to 0.15
0.33 to 0.45
Chromium (Cr), % 0
15.5 to 17.5
Iron (Fe), % 93.4 to 95.5
77.2 to 83.4
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.3
Nickel (Ni), % 4.0 to 5.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.015