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ACI-ASTM CB30 Steel vs. AISI 304Cu Stainless Steel

Both ACI-ASTM CB30 steel and AISI 304Cu stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is AISI 304Cu stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 500
530
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 940
930
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
3.0
Embodied Energy, MJ/kg 33
43
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 5.6
3.5
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 18 to 21
17 to 19
Copper (Cu), % 0 to 1.2
3.0 to 4.0
Iron (Fe), % 72.9 to 82
63.9 to 72
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 2.0
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030