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AWS ER80S-Ni2 vs. ACI-ASTM CB30 Steel

Both AWS ER80S-Ni2 and ACI-ASTM CB30 steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 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 AWS ER80S-Ni2 and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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 620
500
Tensile Strength: Yield (Proof), MPa 540
230

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.3
Embodied Energy, MJ/kg 22
33
Embodied Water, L/kg 51
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 770
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 21
18
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.3
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0 to 0.35
0 to 1.2
Iron (Fe), % 94.2 to 97.6
72.9 to 82
Manganese (Mn), % 0 to 1.3
0 to 1.0
Nickel (Ni), % 2.0 to 2.8
0 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.040
Residuals, % 0 to 0.5
0