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ACI-ASTM CB7Cu-1 Steel vs. EN 1.4935 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and EN 1.4935 stainless steel are iron alloys. They have 88% 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 ACI-ASTM CB7Cu-1 steel and the bottom bar is EN 1.4935 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
16 to 18
Fatigue Strength, MPa 420 to 590
350 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
780 to 880
Tensile Strength: Yield (Proof), MPa 760 to 1180
570 to 670

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
24
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 38
42
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 17
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
830 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 48
28 to 31
Strength to Weight: Bending, points 28 to 35
24 to 26
Thermal Diffusivity, mm2/s 4.6
6.5
Thermal Shock Resistance, points 32 to 45
27 to 30

Alloy Composition

Carbon (C), % 0 to 0.070
0.17 to 0.24
Chromium (Cr), % 15.5 to 17.7
11 to 12.5
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 72.3 to 78.4
83 to 86.7
Manganese (Mn), % 0 to 0.7
0.3 to 0.8
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 3.6 to 4.6
0.3 to 0.8
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
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0.2 to 0.35

Comparable Variants