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S20910 Stainless Steel vs. ASTM Grade LC9 Steel

Both S20910 stainless steel and ASTM grade LC9 steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
22
Fatigue Strength, MPa 310 to 460
420
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56 to 62
34
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 780 to 940
660
Tensile Strength: Yield (Proof), MPa 430 to 810
590

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1080
430
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
8.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
2.3
Embodied Energy, MJ/kg 68
31
Embodied Water, L/kg 180
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
23
Strength to Weight: Bending, points 24 to 27
21
Thermal Shock Resistance, points 17 to 21
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.13
Chromium (Cr), % 20.5 to 23.5
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 52.1 to 62.1
87.4 to 91.5
Manganese (Mn), % 4.0 to 6.0
0 to 0.9
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.2
Nickel (Ni), % 11.5 to 13.5
8.5 to 10
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0.1 to 0.3
0 to 0.030