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ACI-ASTM CD4MCu Steel vs. EN 1.8515 Steel

Both ACI-ASTM CD4MCu steel and EN 1.8515 steel are iron alloys. They have 67% 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 CD4MCu steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
11
Fatigue Strength, MPa 340
580
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 770
1130
Tensile Strength: Yield (Proof), MPa 550
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.6
Embodied Energy, MJ/kg 49
22
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 32
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 760
2310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
40
Strength to Weight: Bending, points 24
31
Thermal Diffusivity, mm2/s 4.5
11
Thermal Shock Resistance, points 21
33

Alloy Composition

Carbon (C), % 0 to 0.040
0.28 to 0.35
Chromium (Cr), % 24.5 to 26.5
2.8 to 3.3
Copper (Cu), % 2.8 to 3.3
0
Iron (Fe), % 59.9 to 66.3
94.7 to 96.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 1.8 to 2.3
0.3 to 0.5
Nickel (Ni), % 4.8 to 6.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035