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ASTM A225 Steel vs. ACI-ASTM CD3MCuN Steel

Both ASTM A225 steel and ACI-ASTM CD3MCuN steel are iron alloys. There are 29 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 ASTM A225 steel and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 23
29
Fatigue Strength, MPa 330 to 390
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 620 to 830
790
Tensile Strength: Yield (Proof), MPa 460 to 550
500

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.9
Embodied Energy, MJ/kg 24 to 25
54
Embodied Water, L/kg 48
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
200
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 29
28
Strength to Weight: Bending, points 21 to 25
24
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 18 to 24
22