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ACI-ASTM CD4MCu Steel vs. ASTM A387 Grade 5 Steel

Both ACI-ASTM CD4MCu steel and ASTM A387 grade 5 steel are iron alloys. They have 69% of their average alloy composition in common. There are 30 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 CD4MCu steel and the bottom bar is ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
20 to 21
Fatigue Strength, MPa 340
160 to 240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 770
500 to 600
Tensile Strength: Yield (Proof), MPa 550
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
510
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
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.7
Embodied Energy, MJ/kg 49
23
Embodied Water, L/kg 180
69

Common Calculations

PREN (Pitting Resistance) 32
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 760
140 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
18 to 21
Strength to Weight: Bending, points 24
18 to 20
Thermal Diffusivity, mm2/s 4.5
11
Thermal Shock Resistance, points 21
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.15
Chromium (Cr), % 24.5 to 26.5
4.0 to 6.0
Copper (Cu), % 2.8 to 3.3
0
Iron (Fe), % 59.9 to 66.3
92.1 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 1.8 to 2.3
0.45 to 0.65
Nickel (Ni), % 4.8 to 6.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.025