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ASTM A285 Carbon Steel vs. ACI-ASTM CB30 Steel

Both ASTM A285 carbon steel and ACI-ASTM CB30 steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 380 to 450
500
Tensile Strength: Yield (Proof), MPa 190 to 230
230

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420 to 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
33
Embodied Water, L/kg 46
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
18
Strength to Weight: Bending, points 15 to 17
18
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 12 to 14
17