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S82121 Stainless Steel vs. ASTM Grade LC2-1 Steel

Both S82121 stainless steel and ASTM grade LC2-1 steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 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 S82121 stainless steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 370
430
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 730
810
Tensile Strength: Yield (Proof), MPa 510
630

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1020
450
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
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 40
25
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 28
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 660
1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.22
Chromium (Cr), % 21 to 23
1.4 to 1.9
Copper (Cu), % 0.2 to 1.2
0
Iron (Fe), % 66.7 to 75.4
92.5 to 95.3
Manganese (Mn), % 1.0 to 2.5
0.55 to 0.75
Molybdenum (Mo), % 0.3 to 1.3
0.3 to 0.6
Nickel (Ni), % 2.0 to 4.0
2.5 to 3.5
Nitrogen (N), % 0.15 to 0.25
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 0.010
0 to 0.045