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ACI-ASTM CB7Cu-1 Steel vs. EN 1.4980 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and EN 1.4980 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
17
Fatigue Strength, MPa 420 to 590
410
Impact Strength: V-Notched Charpy, J 34
57
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
1030
Tensile Strength: Yield (Proof), MPa 760 to 1180
680

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1500
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
13
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
2.1

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
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
36
Strength to Weight: Bending, points 28 to 35
28
Thermal Diffusivity, mm2/s 4.6
3.5
Thermal Shock Resistance, points 32 to 45
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.070
0.030 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
49.2 to 58.5
Manganese (Mn), % 0 to 0.7
1.0 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 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5