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ACI-ASTM CB7Cu-2 Steel vs. EN 1.4982 Stainless Steel

Both ACI-ASTM CB7Cu-2 steel and EN 1.4982 stainless steel are iron alloys. They have 87% 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-2 steel and the bottom bar is EN 1.4982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
28
Fatigue Strength, MPa 420 to 590
420
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
750
Tensile Strength: Yield (Proof), MPa 760 to 1180
570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.9
Embodied Energy, MJ/kg 38
71
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 48
27
Strength to Weight: Bending, points 28 to 35
23
Thermal Diffusivity, mm2/s 4.6
3.4
Thermal Shock Resistance, points 32 to 45
17

Alloy Composition

Boron (B), % 0
0.0030 to 0.0090
Carbon (C), % 0 to 0.070
0.070 to 0.13
Chromium (Cr), % 14 to 15.5
14 to 16
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 73.6 to 79
61.8 to 69.7
Manganese (Mn), % 0 to 0.7
5.5 to 7.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 4.5 to 5.5
9.0 to 11
Niobium (Nb), % 0 to 0.35
0.75 to 1.3
Nitrogen (N), % 0 to 0.050
0 to 0.1
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
Vanadium (V), % 0
0.15 to 0.4