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Nickel 825 vs. ACI-ASTM CB30 Steel

Nickel 825 belongs to the nickel alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. They have 52% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is nickel 825 and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 650
500
Tensile Strength: Yield (Proof), MPa 260
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Mechanical, °C 980
940
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
21
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 41
10
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 7.2
2.3
Embodied Energy, MJ/kg 100
33
Embodied Water, L/kg 230
130

Common Calculations

PREN (Pitting Resistance) 31
20
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 2.9
5.6
Thermal Shock Resistance, points 17
17

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0 to 0.050
0 to 0.3
Chromium (Cr), % 19.5 to 23.5
18 to 21
Copper (Cu), % 1.5 to 3.0
0 to 1.2
Iron (Fe), % 22 to 37.9
72.9 to 82
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 46
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Titanium (Ti), % 0.6 to 1.2
0