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

Both SAE-AISI 1086 steel and ACI-ASTM CB30 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 SAE-AISI 1086 steel and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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