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ACI-ASTM CE30 Steel vs. Chromium 33

ACI-ASTM CE30 steel belongs to the iron alloys classification, while chromium 33 belongs to the otherwise unclassified metals. They have 70% of their average alloy composition in common. There are 21 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 CE30 steel and the bottom bar is chromium 33.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
45
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 630
850
Tensile Strength: Yield (Proof), MPa 310
430

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
6.0
Embodied Energy, MJ/kg 49
84
Embodied Water, L/kg 180
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
320
Resilience: Unit (Modulus of Resilience), kJ/m3 240
450
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
30
Strength to Weight: Bending, points 21
25
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.015
Chromium (Cr), % 26 to 30
31 to 35
Copper (Cu), % 0
0.3 to 1.2
Iron (Fe), % 55.1 to 66
25.7 to 37.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 2.0
Nickel (Ni), % 8.0 to 11
30 to 33
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010