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ACI-ASTM CK35MN Steel vs. ASTM A372 Grade F Steel

Both ACI-ASTM CK35MN steel and ASTM A372 grade F steel are iron alloys. They have 50% of their average alloy composition in common. 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 CK35MN steel and the bottom bar is ASTM A372 grade F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
20 to 22
Fatigue Strength, MPa 270
310 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 650
650 to 910
Tensile Strength: Yield (Proof), MPa 310
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
1.5
Embodied Energy, MJ/kg 81
20
Embodied Water, L/kg 210
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 240
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23 to 32
Strength to Weight: Bending, points 21
21 to 27
Thermal Diffusivity, mm2/s 3.3
12
Thermal Shock Resistance, points 14
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.035
0.3 to 0.4
Chromium (Cr), % 22 to 24
0.8 to 1.2
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
96.8 to 97.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 6.0 to 6.8
0.15 to 0.25
Nickel (Ni), % 20 to 22
0
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.010