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ACI-ASTM CN3MN Steel vs. ASTM A148 Cast Steel

Both ACI-ASTM CN3MN steel and ASTM A148 cast 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 A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 390
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
5.7 to 25
Fatigue Strength, MPa 250
280 to 670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
630 to 1300
Tensile Strength: Yield (Proof), MPa 300
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400 to 430
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
37 to 47
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.3 to 7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3 to 8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.3 to 3.3
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.5 to 1.7
Embodied Energy, MJ/kg 84
20 to 22
Embodied Water, L/kg 200
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 210
400 to 3570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22 to 46
Strength to Weight: Bending, points 20
21 to 34
Thermal Diffusivity, mm2/s 3.4
9.9 to 13
Thermal Shock Resistance, points 14
18 to 38