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ACI-ASTM CK3MCuN Steel vs. ASTM A572 Steel

Both ACI-ASTM CK3MCuN steel and ASTM A572 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 ACI-ASTM CK3MCuN steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
18 to 25
Fatigue Strength, MPa 250
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
470 to 620
Tensile Strength: Yield (Proof), MPa 290
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.6
Embodied Energy, MJ/kg 76
22
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
17 to 22
Strength to Weight: Bending, points 20
17 to 21
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 14
14 to 18