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ACI-ASTM CA40 Steel vs. EN 1.8503 Steel

Both ACI-ASTM CA40 steel and EN 1.8503 steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10
16
Fatigue Strength, MPa 460
600
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910
1000
Tensile Strength: Yield (Proof), MPa 860
910

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
440
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
3.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.3
Embodied Energy, MJ/kg 28
33
Embodied Water, L/kg 100
57

Common Calculations

PREN (Pitting Resistance) 14
3.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
2200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
35
Strength to Weight: Bending, points 27
28
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 33
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.2 to 0.4
0.16 to 0.24
Chromium (Cr), % 11.5 to 14
1.2 to 1.5
Iron (Fe), % 81.5 to 88.3
95.8 to 97.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 0 to 0.5
0.65 to 0.8
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035
Vanadium (V), % 0
0.25 to 0.35