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S38815 Stainless Steel vs. ASTM Grade LC9 Steel

Both S38815 stainless steel and ASTM grade LC9 steel are iron alloys. They have 72% of their average alloy composition in common. There are 26 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 S38815 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
22
Fatigue Strength, MPa 230
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 610
660
Tensile Strength: Yield (Proof), MPa 290
590

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 860
430
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.0
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.8
2.3
Embodied Energy, MJ/kg 54
31
Embodied Water, L/kg 140
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 220
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 15
20

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.13
Chromium (Cr), % 13 to 15
0 to 0.5
Copper (Cu), % 0.75 to 1.5
0 to 0.3
Iron (Fe), % 56.1 to 67
87.4 to 91.5
Manganese (Mn), % 0 to 2.0
0 to 0.9
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.2
Nickel (Ni), % 13 to 17
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.045
Vanadium (V), % 0
0 to 0.030