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EN 1.4980 Stainless Steel vs. ACI-ASTM CB7Cu-2 Steel

Both EN 1.4980 stainless steel and ACI-ASTM CB7Cu-2 steel are iron alloys. They have 75% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4980 stainless steel and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
2.6
Embodied Energy, MJ/kg 87
38
Embodied Water, L/kg 170
130

Common Calculations

PREN (Pitting Resistance) 19
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
1510 to 3600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
34 to 48
Strength to Weight: Bending, points 28
28 to 35
Thermal Diffusivity, mm2/s 3.5
4.6
Thermal Shock Resistance, points 22
32 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0 to 0.070
Chromium (Cr), % 13.5 to 16
14 to 15.5
Copper (Cu), % 0
2.5 to 3.2
Iron (Fe), % 49.2 to 58.5
73.6 to 79
Manganese (Mn), % 1.0 to 2.0
0 to 0.7
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
4.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0