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ACI-ASTM CB7Cu-1 Steel vs. EN 1.6982 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and EN 1.6982 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 30 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 1.6982 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
350
Impact Strength: V-Notched Charpy, J 34
56
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
800
Tensile Strength: Yield (Proof), MPa 760 to 1180
570

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1500
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 38
33
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 17
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 48
28
Strength to Weight: Bending, points 28 to 35
25
Thermal Diffusivity, mm2/s 4.6
6.6
Thermal Shock Resistance, points 32 to 45
29

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 15.5 to 17.7
12 to 13.5
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 72.3 to 78.4
78.7 to 84.5
Manganese (Mn), % 0 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 3.6 to 4.6
3.5 to 5.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015