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ACI-ASTM CD4MCu Steel vs. SAE-AISI 1049 Steel

Both ACI-ASTM CD4MCu steel and SAE-AISI 1049 steel are iron alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD4MCu steel and the bottom bar is SAE-AISI 1049 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
11 to 17
Fatigue Strength, MPa 340
250 to 400
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 770
680 to 750
Tensile Strength: Yield (Proof), MPa 550
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
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
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.4
Embodied Energy, MJ/kg 49
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
75 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 760
370 to 1090
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
24 to 27
Strength to Weight: Bending, points 24
22 to 23
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 21
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.040
0.46 to 0.53
Chromium (Cr), % 24.5 to 26.5
0
Copper (Cu), % 2.8 to 3.3
0
Iron (Fe), % 59.9 to 66.3
98.5 to 98.9
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 4.8 to 6.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0 to 0.050