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ACI-ASTM CA40 Steel vs. EN 1.4016 Stainless Steel

Both ACI-ASTM CA40 steel and EN 1.4016 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is EN 1.4016 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10
22
Fatigue Strength, MPa 460
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 910
520
Tensile Strength: Yield (Proof), MPa 860
290

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1500
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
8.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.1
Embodied Energy, MJ/kg 28
29
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 14
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
95
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
19
Strength to Weight: Bending, points 27
19
Thermal Diffusivity, mm2/s 6.7
6.7
Thermal Shock Resistance, points 33
19

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.080
Chromium (Cr), % 11.5 to 14
16 to 18
Iron (Fe), % 81.5 to 88.3
79.9 to 84
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015