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S45500 Stainless Steel vs. ACI-ASTM CF16Fa Steel

Both S45500 stainless steel and ACI-ASTM CF16Fa steel are iron alloys. They have 88% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S45500 stainless steel and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 500
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 3.4 to 11
28
Fatigue Strength, MPa 570 to 890
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1370 to 1850
540
Tensile Strength: Yield (Proof), MPa 1240 to 1700
230

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 620
420
Maximum Temperature: Mechanical, °C 760
980
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.3
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 190
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 48 to 65
19
Strength to Weight: Bending, points 35 to 42
19
Thermal Shock Resistance, points 48 to 64
12

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.16
Chromium (Cr), % 11 to 12.5
18 to 21
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 71.5 to 79.2
62.1 to 72.4
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.8
Nickel (Ni), % 7.5 to 9.5
9.0 to 12
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0.2 to 0.4
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.8 to 1.4
0