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N08926 Stainless Steel vs. ACI-ASTM CF3M Steel

Both N08926 stainless steel and ACI-ASTM CF3M steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is N08926 stainless steel and the bottom bar is ACI-ASTM CF3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
55
Fatigue Strength, MPa 290
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 740
520
Tensile Strength: Yield (Proof), MPa 330
260

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
19
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
3.8
Embodied Energy, MJ/kg 84
53
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 45
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
240
Resilience: Unit (Modulus of Resilience), kJ/m3 270
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19 to 21
17 to 21
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.7 to 50.4
59.9 to 72
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 6.0 to 7.0
2.0 to 3.0
Nickel (Ni), % 24 to 26
9.0 to 13
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040