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EN 1.4415 Stainless Steel vs. ACI-ASTM CB7Cu-1 Steel

Both EN 1.4415 stainless steel and ACI-ASTM CB7Cu-1 steel are iron alloys. They have a moderately high 92% 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 EN 1.4415 stainless steel and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 20
5.7 to 11
Fatigue Strength, MPa 470 to 510
420 to 590
Impact Strength: V-Notched Charpy, J 91 to 110
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 830 to 930
960 to 1350
Tensile Strength: Yield (Proof), MPa 730 to 840
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 19
17
Thermal Expansion, µm/m-K 9.9
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 51
38
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
1500 to 3590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 33
34 to 48
Strength to Weight: Bending, points 25 to 27
28 to 35
Thermal Diffusivity, mm2/s 5.1
4.6
Thermal Shock Resistance, points 30 to 34
32 to 45

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 11.5 to 13.5
15.5 to 17.7
Copper (Cu), % 0
2.5 to 3.2
Iron (Fe), % 75.9 to 82.4
72.3 to 78.4
Manganese (Mn), % 0 to 0.5
0 to 0.7
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 4.5 to 6.5
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.1 to 0.5
0

Comparable Variants