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S34565 Stainless Steel vs. ACI-ASTM CB7Cu-2 Steel

Both S34565 stainless steel and ACI-ASTM CB7Cu-2 steel are iron alloys. They have 68% of their average alloy composition in common. There are 30 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 S34565 stainless steel and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
5.7 to 11
Fatigue Strength, MPa 400
420 to 590
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 900
960 to 1350
Tensile Strength: Yield (Proof), MPa 470
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
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 28
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
2.6
Embodied Energy, MJ/kg 73
38
Embodied Water, L/kg 210
130

Common Calculations

PREN (Pitting Resistance) 47
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 540
1510 to 3600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
34 to 48
Strength to Weight: Bending, points 26
28 to 35
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 22
32 to 45

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 23 to 25
14 to 15.5
Copper (Cu), % 0
2.5 to 3.2
Iron (Fe), % 43.2 to 51.6
73.6 to 79
Manganese (Mn), % 5.0 to 7.0
0 to 0.7
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 16 to 18
4.5 to 5.5
Niobium (Nb), % 0 to 0.1
0 to 0.35
Nitrogen (N), % 0.4 to 0.6
0 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030