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ACI-ASTM CB7Cu-1 Steel vs. S28200 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and S28200 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
45
Fatigue Strength, MPa 420 to 590
430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
870
Tensile Strength: Yield (Proof), MPa 760 to 1180
460

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1500
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 38
41
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 17
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
330
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 34 to 48
32
Strength to Weight: Bending, points 28 to 35
27
Thermal Shock Resistance, points 32 to 45
17

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 15.5 to 17.7
17 to 19
Copper (Cu), % 2.5 to 3.2
0.75 to 1.3
Iron (Fe), % 72.3 to 78.4
57.7 to 64.1
Manganese (Mn), % 0 to 0.7
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 3.6 to 4.6
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.4 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030