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EN 1.4405 Stainless Steel vs. ACI-ASTM CF16Fa Steel

Both EN 1.4405 stainless steel and ACI-ASTM CF16Fa steel are iron alloys. They have 90% of their average alloy composition in common. There are 31 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 1.4405 stainless steel and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 370
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 860
540
Tensile Strength: Yield (Proof), MPa 610
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 39
47
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 950
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.6
4.2
Thermal Shock Resistance, points 29
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.16
Chromium (Cr), % 15 to 17
18 to 21
Iron (Fe), % 73.6 to 80.3
62.1 to 72.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.7 to 1.5
0.4 to 0.8
Nickel (Ni), % 4.0 to 6.0
9.0 to 12
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.025
0.2 to 0.4