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AISI 309Cb Stainless Steel vs. ACI-ASTM CF16F Steel

Both AISI 309Cb stainless steel and ACI-ASTM CF16F steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 309Cb stainless steel and the bottom bar is ACI-ASTM CF16F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
50
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 580
530
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 1090
980
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 23
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.16
Chromium (Cr), % 22 to 24
18 to 21
Iron (Fe), % 56 to 66
61.3 to 72.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 12 to 16
9.0 to 12
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.17
Selenium (Se), % 0
0.2 to 0.35
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040