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ACI-ASTM CF16Fa Steel vs. EN 1.4557 Stainless Steel

Both ACI-ASTM CF16Fa steel and EN 1.4557 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF16Fa steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 540
560
Tensile Strength: Yield (Proof), MPa 230
300

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 980
1090
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.6
Embodied Energy, MJ/kg 47
76
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 21
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 140
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.16
0 to 0.020
Chromium (Cr), % 18 to 21
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 62.1 to 72.4
49.5 to 56.3
Manganese (Mn), % 0 to 1.5
0 to 1.2
Molybdenum (Mo), % 0.4 to 0.8
6.0 to 7.0
Nickel (Ni), % 9.0 to 12
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0.2 to 0.4
0 to 0.010