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ASTM A572 Steel vs. ACI-ASTM CA40 Steel

Both ASTM A572 steel and ACI-ASTM CA40 steel are iron alloys. 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 ASTM A572 steel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 190
310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 25
10
Fatigue Strength, MPa 240 to 340
460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 470 to 620
910
Tensile Strength: Yield (Proof), MPa 330 to 510
860

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
750
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.0
Embodied Energy, MJ/kg 22
28
Embodied Water, L/kg 47
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
89
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 22
33
Strength to Weight: Bending, points 17 to 21
27
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 14 to 18
33