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ACI-ASTM CB30 Steel vs. S45503 Stainless Steel

Both ACI-ASTM CB30 steel and S45503 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 24 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 CB30 steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 500
1610 to 1850
Tensile Strength: Yield (Proof), MPa 230
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 420
640
Maximum Temperature: Mechanical, °C 940
760
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
3.4
Embodied Energy, MJ/kg 33
48
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 20
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
57 to 65
Strength to Weight: Bending, points 18
39 to 43
Thermal Shock Resistance, points 17
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.010
Chromium (Cr), % 18 to 21
11 to 12.5
Copper (Cu), % 0 to 1.2
1.5 to 2.5
Iron (Fe), % 72.9 to 82
72.4 to 78.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 2.0
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.5
0 to 0.2
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4