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AISI 202 Stainless Steel vs. ASTM Grade LC9 Steel

Both AISI 202 stainless steel and ASTM grade LC9 steel are iron alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
22
Fatigue Strength, MPa 290 to 330
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 700 to 980
660
Tensile Strength: Yield (Proof), MPa 310 to 580
590

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 910
430
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
10

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 40
31
Embodied Water, L/kg 150
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 35
23
Strength to Weight: Bending, points 23 to 29
21
Thermal Shock Resistance, points 15 to 21
20

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.13
Chromium (Cr), % 17 to 19
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 63.5 to 71.5
87.4 to 91.5
Manganese (Mn), % 7.5 to 10
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 4.0 to 6.0
8.5 to 10
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0
0 to 0.030