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ACI-ASTM CA40 Steel vs. EN 1.6920 Steel

Both ACI-ASTM CA40 steel and EN 1.6920 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.6920 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10
19
Fatigue Strength, MPa 460
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910
640
Tensile Strength: Yield (Proof), MPa 860
420

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
39
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
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 28
23
Embodied Water, L/kg 100
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
22
Strength to Weight: Bending, points 27
21
Thermal Diffusivity, mm2/s 6.7
10
Thermal Shock Resistance, points 33
19

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.17
Chromium (Cr), % 11.5 to 14
0.5 to 1.0
Iron (Fe), % 81.5 to 88.3
95.7 to 98
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.35
Nickel (Ni), % 0 to 1.0
0.3 to 0.7
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 0.015
Vanadium (V), % 0
0.050 to 0.1