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ACI-ASTM CF16Fa Steel vs. EN 1.4859 Stainless Steel

Both ACI-ASTM CF16Fa steel and EN 1.4859 stainless steel are iron alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is ACI-ASTM CF16Fa steel and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
23
Fatigue Strength, MPa 170
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 540
490
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
560
Maximum Temperature: Mechanical, °C 980
1050
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
6.2
Embodied Energy, MJ/kg 47
88
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 21
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
91
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 4.2
3.4
Thermal Shock Resistance, points 12
11

Alloy Composition

Carbon (C), % 0 to 0.16
0.050 to 0.15
Chromium (Cr), % 18 to 21
19 to 21
Iron (Fe), % 62.1 to 72.4
40.3 to 49
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.8
0 to 0.5
Nickel (Ni), % 9.0 to 12
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0.5 to 1.5
Sulfur (S), % 0.2 to 0.4
0 to 0.030