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ACI-ASTM CB7Cu-1 Steel vs. S35315 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and S35315 stainless steel are iron alloys. They have 59% 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 ACI-ASTM CB7Cu-1 steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
46
Fatigue Strength, MPa 420 to 590
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
740
Tensile Strength: Yield (Proof), MPa 760 to 1180
300

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1500
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.7
Embodied Energy, MJ/kg 38
81
Embodied Water, L/kg 130
220

Common Calculations

PREN (Pitting Resistance) 17
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 48
26
Strength to Weight: Bending, points 28 to 35
23
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 32 to 45
17

Alloy Composition

Carbon (C), % 0 to 0.070
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 15.5 to 17.7
24 to 26
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 72.3 to 78.4
33.6 to 40.6
Manganese (Mn), % 0 to 0.7
0 to 2.0
Nickel (Ni), % 3.6 to 4.6
34 to 36
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.12 to 0.18
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030