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EN 1.4859 Stainless Steel vs. ACI-ASTM CF16F Steel

Both EN 1.4859 stainless steel and ACI-ASTM CF16F steel are iron alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4859 stainless steel and the bottom bar is ACI-ASTM CF16F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
50
Fatigue Strength, MPa 140
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 490
530
Tensile Strength: Yield (Proof), MPa 210
280

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 560
420
Maximum Temperature: Mechanical, °C 1050
980
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
3.4
Embodied Energy, MJ/kg 88
47
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
220
Resilience: Unit (Modulus of Resilience), kJ/m3 110
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 3.4
4.3
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.16
Chromium (Cr), % 19 to 21
18 to 21
Iron (Fe), % 40.3 to 49
61.3 to 72.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 31 to 33
9.0 to 12
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.17
Selenium (Se), % 0
0.2 to 0.35
Silicon (Si), % 0.5 to 1.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040