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EN 1.7386 Steel vs. ACI-ASTM CD4MCuN Steel

Both EN 1.7386 steel and ACI-ASTM CD4MCuN steel are iron alloys. They have 74% 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 EN 1.7386 steel and the bottom bar is ACI-ASTM CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
18
Fatigue Strength, MPa 170 to 290
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 550 to 670
770
Tensile Strength: Yield (Proof), MPa 240 to 440
550

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.5
Embodied Energy, MJ/kg 28
49
Embodied Water, L/kg 88
180

Common Calculations

PREN (Pitting Resistance) 12
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 24
28
Strength to Weight: Bending, points 19 to 22
24
Thermal Diffusivity, mm2/s 6.9
4.5
Thermal Shock Resistance, points 15 to 18
21

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.040
Chromium (Cr), % 8.0 to 10
24.5 to 26.5
Copper (Cu), % 0 to 0.3
2.7 to 3.3
Iron (Fe), % 86.8 to 90.5
59.5 to 66.3
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
1.7 to 2.3
Nickel (Ni), % 0
4.7 to 6.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.040