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ACI-ASTM CA40F Steel vs. EN 1.4539 Stainless Steel

Both ACI-ASTM CA40F steel and EN 1.4539 stainless steel are iron alloys. They have 62% 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 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
38
Fatigue Strength, MPa 320
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 770
630
Tensile Strength: Yield (Proof), MPa 550
260

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 27
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
31
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.0
5.7
Embodied Energy, MJ/kg 28
78
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 14
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
190
Resilience: Unit (Modulus of Resilience), kJ/m3 790
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 7.2
3.2
Thermal Shock Resistance, points 28
14

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.020
Chromium (Cr), % 11.5 to 14
19 to 21
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 81.6 to 88.3
43.1 to 51.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
4.0 to 5.0
Nickel (Ni), % 0 to 1.0
24 to 26
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.7
Sulfur (S), % 0.2 to 0.4
0 to 0.010