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ACI-ASTM CF16Fa Steel vs. EN 1.4581 Stainless Steel

Both ACI-ASTM CF16Fa steel and EN 1.4581 stainless steel are iron alloys. They have a very high 98% 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 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
28
Fatigue Strength, MPa 170
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 540
510
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 980
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
4.2
Embodied Energy, MJ/kg 47
59
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 4.2
3.9
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.16
0 to 0.070
Chromium (Cr), % 18 to 21
18 to 20
Iron (Fe), % 62.1 to 72.4
61.4 to 71
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0.4 to 0.8
2.0 to 2.5
Nickel (Ni), % 9.0 to 12
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.5
Sulfur (S), % 0.2 to 0.4
0 to 0.030