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ACI-ASTM CA40F Steel vs. EN 1.4116 Stainless Steel

Both ACI-ASTM CA40F steel and EN 1.4116 stainless steel are iron alloys. They have a very high 97% 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 ACI-ASTM CA40F steel and the bottom bar is EN 1.4116 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
240
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
14
Fatigue Strength, MPa 320
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 770
750
Tensile Strength: Yield (Proof), MPa 550
430

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 750
800
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.5
Embodied Energy, MJ/kg 28
36
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 14
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
87
Resilience: Unit (Modulus of Resilience), kJ/m3 790
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 7.2
8.1
Thermal Shock Resistance, points 28
26

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.45 to 0.55
Chromium (Cr), % 11.5 to 14
14 to 15
Iron (Fe), % 81.6 to 88.3
81.3 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.5 to 0.8
Nickel (Ni), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0.2 to 0.4
0 to 0.015
Vanadium (V), % 0
0.1 to 0.2