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EN 1.4621 Stainless Steel vs. ASTM Grade LC2-1 Steel

Both EN 1.4621 stainless steel and ASTM grade LC2-1 steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4621 stainless steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
20
Fatigue Strength, MPa 190
430
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 500
810
Tensile Strength: Yield (Proof), MPa 270
630

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 970
450
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 41
25
Embodied Water, L/kg 140
60

Common Calculations

PREN (Pitting Resistance) 21
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 5.7
12
Thermal Shock Resistance, points 17
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.22
Chromium (Cr), % 20 to 21.5
1.4 to 1.9
Copper (Cu), % 0.1 to 1.0
0
Iron (Fe), % 74.4 to 79.7
92.5 to 95.3
Manganese (Mn), % 0 to 1.0
0.55 to 0.75
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
2.5 to 3.5
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.045