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EN 1.4855 Stainless Steel vs. ACI-ASTM CF16Fa Steel

Both EN 1.4855 stainless steel and ACI-ASTM CF16Fa steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 stainless steel and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.6
28
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 610
420
Maximum Temperature: Mechanical, °C 1050
980
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 5.9
3.3
Embodied Energy, MJ/kg 85
47
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 25
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.7
4.2
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.16
Chromium (Cr), % 23 to 25
18 to 21
Iron (Fe), % 42.6 to 51.9
62.1 to 72.4
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.8
Nickel (Ni), % 23 to 25
9.0 to 12
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0.2 to 0.4