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AWS ER90S-B3 vs. ACI-ASTM CE3MN Steel

Both AWS ER90S-B3 and ACI-ASTM CE3MN steel are iron alloys. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is ACI-ASTM CE3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19
20
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 690
770
Tensile Strength: Yield (Proof), MPa 620
590

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.2
Embodied Energy, MJ/kg 24
58
Embodied Water, L/kg 60
180

Common Calculations

PREN (Pitting Resistance) 6.0
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
840
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 20
21

Alloy Composition


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Carbon (C), % 0.070 to 0.12
0 to 0.030
Chromium (Cr), % 2.3 to 2.7
24 to 26
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.5 to 95.9
58.1 to 65.9
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.2
4.0 to 5.0
Nickel (Ni), % 0 to 0.2
6.0 to 8.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.040
Residuals, % 0 to 0.5
0