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S44800 Stainless Steel vs. ACI-ASTM CF16Fa Steel

Both S44800 stainless steel and ACI-ASTM CF16Fa steel are iron alloys. They have 87% 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 S44800 stainless steel and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 300
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
77
Tensile Strength: Ultimate (UTS), MPa 590
540
Tensile Strength: Yield (Proof), MPa 450
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.3
Embodied Energy, MJ/kg 52
47
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 42
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.6
4.2
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.16
Chromium (Cr), % 28 to 30
18 to 21
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
62.1 to 72.4
Manganese (Mn), % 0 to 0.3
0 to 1.5
Molybdenum (Mo), % 3.5 to 4.2
0.4 to 0.8
Nickel (Ni), % 2.0 to 2.5
9.0 to 12
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 2.0
Sulfur (S), % 0 to 0.020
0.2 to 0.4