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AWS E312 vs. AWS ER90S-B3

Both AWS E312 and AWS ER90S-B3 are iron alloys. They have 62% of their average alloy composition in common. There are 21 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 AWS E312 and the bottom bar is AWS ER90S-B3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
19
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 740
690

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
4.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.8
Embodied Energy, MJ/kg 52
24
Embodied Water, L/kg 200
60

Common Calculations

PREN (Pitting Resistance) 31
6.0
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.15
0.070 to 0.12
Chromium (Cr), % 28 to 32
2.3 to 2.7
Copper (Cu), % 0 to 0.75
0 to 0.35
Iron (Fe), % 52.3 to 63.5
93.5 to 95.9
Manganese (Mn), % 0.5 to 2.5
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.2
Nickel (Ni), % 8.0 to 10.5
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.4 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Residuals, % 0
0 to 0.5