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AISI 309HCb Stainless Steel vs. ASTM Grade LC2 Steel

Both AISI 309HCb stainless steel and ASTM grade LC2 steel are iron alloys. They have 65% of their average alloy composition in common. There are 30 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 AISI 309HCb stainless steel and the bottom bar is ASTM grade LC2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
27
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 590
570
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
1.6
Embodied Energy, MJ/kg 59
22
Embodied Water, L/kg 170
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
130
Resilience: Unit (Modulus of Resilience), kJ/m3 130
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.25
Chromium (Cr), % 22 to 24
0
Iron (Fe), % 56 to 66
95.3 to 97.5
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Nickel (Ni), % 12 to 16
2.0 to 3.0
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.045