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ASTM A182 Grade F122 vs. ACI-ASTM CK3MCuN Steel

Both ASTM A182 grade F122 and ACI-ASTM CK3MCuN steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 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 ASTM A182 grade F122 and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 320
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 710
620
Tensile Strength: Yield (Proof), MPa 450
290

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1090
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1440
1350
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.6
Embodied Energy, MJ/kg 44
76
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 17
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
200
Resilience: Unit (Modulus of Resilience), kJ/m3 520
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 6.4
3.2
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0 to 0.025
Chromium (Cr), % 10 to 11.5
19.5 to 20.5
Copper (Cu), % 0.3 to 1.7
0.5 to 1.0
Iron (Fe), % 81.3 to 87.7
49.5 to 56.3
Manganese (Mn), % 0 to 0.7
0 to 1.2
Molybdenum (Mo), % 0.25 to 0.6
6.0 to 7.0
Nickel (Ni), % 0 to 0.5
17.5 to 19.5
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0.18 to 0.24
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0
Zirconium (Zr), % 0 to 0.010
0