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ACI-ASTM CB7Cu-1 Steel vs. S45503 Stainless Steel

Both ACI-ASTM CB7Cu-1 steel and S45503 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (11, 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 S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
4.6 to 6.8
Fatigue Strength, MPa 420 to 590
710 to 800
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
1610 to 1850
Tensile Strength: Yield (Proof), MPa 760 to 1180
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1500
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 38
48
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
57 to 65
Strength to Weight: Bending, points 28 to 35
39 to 43
Thermal Shock Resistance, points 32 to 45
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 15.5 to 17.7
11 to 12.5
Copper (Cu), % 2.5 to 3.2
1.5 to 2.5
Iron (Fe), % 72.3 to 78.4
72.4 to 78.9
Manganese (Mn), % 0 to 0.7
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 3.6 to 4.6
7.5 to 9.5
Niobium (Nb), % 0 to 0.35
0.1 to 0.5
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4