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ACI-ASTM CB7Cu-2 Steel vs. S35000 Stainless Steel

Both ACI-ASTM CB7Cu-2 steel and S35000 stainless steel are iron alloys. They have a moderately high 95% 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-2 steel and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
2.3 to 14
Fatigue Strength, MPa 420 to 590
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
1300 to 1570
Tensile Strength: Yield (Proof), MPa 760 to 1180
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 38
44
Embodied Water, L/kg 130
130

Common Calculations

PREN (Pitting Resistance) 15
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
1070 to 3360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 48
46 to 56
Strength to Weight: Bending, points 28 to 35
34 to 38
Thermal Diffusivity, mm2/s 4.6
4.4
Thermal Shock Resistance, points 32 to 45
42 to 51

Alloy Composition

Carbon (C), % 0 to 0.070
0.070 to 0.11
Chromium (Cr), % 14 to 15.5
16 to 17
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 73.6 to 79
72.7 to 76.9
Manganese (Mn), % 0 to 0.7
0.5 to 1.3
Molybdenum (Mo), % 0
2.5 to 3.2
Nickel (Ni), % 4.5 to 5.5
4.0 to 5.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.070 to 0.13
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030