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ACI-ASTM CA40F Steel vs. EN 1.8879 Steel

Both ACI-ASTM CA40F steel and EN 1.8879 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 CA40F steel and the bottom bar is EN 1.8879 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
16
Fatigue Strength, MPa 320
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 770
830
Tensile Strength: Yield (Proof), MPa 550
710

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 750
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
3.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.9
Embodied Energy, MJ/kg 28
26
Embodied Water, L/kg 100
54

Common Calculations

PREN (Pitting Resistance) 14
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
120
Resilience: Unit (Modulus of Resilience), kJ/m3 790
1320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 28
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.2 to 0.4
0 to 0.2
Chromium (Cr), % 11.5 to 14
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 81.6 to 88.3
91.9 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.7
Nickel (Ni), % 0 to 1.0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.8
Sulfur (S), % 0.2 to 0.4
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15