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ACI-ASTM CB7Cu-1 Steel vs. EN 1.4652 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and EN 1.4652 stainless steel are iron alloys. They have 64% 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 ACI-ASTM CB7Cu-1 steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 5.7 to 11
45
Fatigue Strength, MPa 420 to 590
450
Impact Strength: V-Notched Charpy, J 34
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
880
Tensile Strength: Yield (Proof), MPa 760 to 1180
490

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
9.8
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.6
6.4
Embodied Energy, MJ/kg 38
87
Embodied Water, L/kg 130
220

Common Calculations

PREN (Pitting Resistance) 17
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
340
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 48
30
Strength to Weight: Bending, points 28 to 35
25
Thermal Diffusivity, mm2/s 4.6
2.6
Thermal Shock Resistance, points 32 to 45
20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.020
Chromium (Cr), % 15.5 to 17.7
23 to 25
Copper (Cu), % 2.5 to 3.2
0.3 to 0.6
Iron (Fe), % 72.3 to 78.4
38.3 to 46.3
Manganese (Mn), % 0 to 0.7
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 3.6 to 4.6
21 to 23
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.45 to 0.55
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050