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ACI-ASTM CB30 Steel vs. SAE-AISI 1086 Steel

Both ACI-ASTM CB30 steel and SAE-AISI 1086 steel are iron alloys. They have 78% 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 ACI-ASTM CB30 steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 500
760 to 870
Tensile Strength: Yield (Proof), MPa 230
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
50
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 33
19
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
27 to 31
Strength to Weight: Bending, points 18
24 to 26
Thermal Diffusivity, mm2/s 5.6
14
Thermal Shock Resistance, points 17
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.3
0.8 to 0.93
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 72.9 to 82
98.5 to 98.9
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0 to 0.050