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EN 1.4466 Stainless Steel vs. ACI-ASTM CA40F Steel

Both EN 1.4466 stainless steel and ACI-ASTM CA40F steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 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 1.4466 stainless steel and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
13
Fatigue Strength, MPa 250
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 640
770
Tensile Strength: Yield (Proof), MPa 280
550

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
27
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.0
Embodied Energy, MJ/kg 70
28
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 35
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
94
Resilience: Unit (Modulus of Resilience), kJ/m3 200
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.7
7.2
Thermal Shock Resistance, points 14
28

Alloy Composition

Carbon (C), % 0 to 0.020
0.2 to 0.4
Chromium (Cr), % 24 to 26
11.5 to 14
Iron (Fe), % 45.6 to 52.9
81.6 to 88.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.5
Nickel (Ni), % 21 to 23
0 to 1.0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.5
Sulfur (S), % 0 to 0.010
0.2 to 0.4