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ACI-ASTM CN3MN Steel vs. ASTM A572 Steel

Both ACI-ASTM CN3MN 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 CN3MN 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 210
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 300
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.6
Embodied Energy, MJ/kg 84
22
Embodied Water, L/kg 200
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 3.4
14
Thermal Shock Resistance, points 14
14 to 18