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AWS ER90S-B3 vs. ACI-ASTM CA15M Steel

Both AWS ER90S-B3 and ACI-ASTM CA15M steel are iron alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
20
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 690
690
Tensile Strength: Yield (Proof), MPa 620
510

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.1
Embodied Energy, MJ/kg 24
29
Embodied Water, L/kg 60
100

Common Calculations

PREN (Pitting Resistance) 6.0
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 11
7.2
Thermal Shock Resistance, points 20
25

Alloy Composition


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Carbon (C), % 0.070 to 0.12
0 to 0.15
Chromium (Cr), % 2.3 to 2.7
11.5 to 14
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.5 to 95.9
82.1 to 88.4
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0.15 to 1.0
Nickel (Ni), % 0 to 0.2
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.7
0 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.040
Residuals, % 0 to 0.5
0