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ACI-ASTM CB7Cu-1 Steel vs. S66286 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and S66286 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
17 to 40
Fatigue Strength, MPa 420 to 590
240 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
620 to 1020
Tensile Strength: Yield (Proof), MPa 760 to 1180
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1500
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
6.0
Embodied Energy, MJ/kg 38
87
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
190 to 1150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
22 to 36
Strength to Weight: Bending, points 28 to 35
20 to 28
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 32 to 45
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 15.5 to 17.7
13.5 to 16
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 72.3 to 78.4
49.1 to 59.5
Manganese (Mn), % 0 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 3.6 to 4.6
24 to 27
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5