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ACI-ASTM CN3MN Steel vs. ASTM A182 Grade F6b

Both ACI-ASTM CN3MN steel and ASTM A182 grade F6b are iron alloys. They have 62% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
18
Fatigue Strength, MPa 250
440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 620
850
Tensile Strength: Yield (Proof), MPa 300
710

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
2.2
Embodied Energy, MJ/kg 84
30
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 46
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
30
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 3.4
6.7
Thermal Shock Resistance, points 14
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 20 to 22
11.5 to 13.5
Copper (Cu), % 0 to 0.75
0 to 0.5
Iron (Fe), % 41.4 to 50.3
81.2 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0.4 to 0.6
Nickel (Ni), % 23.5 to 25.5
1.0 to 2.0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020