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ACI-ASTM CK3MCuN Steel vs. ASTM A356 Grade 10

Both ACI-ASTM CK3MCuN steel and ASTM A356 grade 10 are iron alloys. Both are furnished in the heat treated (HT) condition. They have 57% of their average alloy composition in common. There are 31 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 CK3MCuN steel and the bottom bar is ASTM A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
23
Fatigue Strength, MPa 250
300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 620
670
Tensile Strength: Yield (Proof), MPa 290
430

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1090
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
3.9
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
1.8
Embodied Energy, MJ/kg 76
23
Embodied Water, L/kg 190
59

Common Calculations

PREN (Pitting Resistance) 45
5.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
480
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.2
Chromium (Cr), % 19.5 to 20.5
2.0 to 2.8
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
94.4 to 96.6
Manganese (Mn), % 0 to 1.2
0.5 to 0.8
Molybdenum (Mo), % 6.0 to 7.0
0.9 to 1.2
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030