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AWS E385 vs. AWS ER70S-B2L

Both AWS E385 and AWS ER70S-B2L are iron alloys. They have 49% of their average alloy composition in common. There are 25 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 E385 and the bottom bar is AWS ER70S-B2L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
22
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 580
590

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.6
Embodied Energy, MJ/kg 79
21
Embodied Water, L/kg 200
54

Common Calculations

PREN (Pitting Resistance) 36
3.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.6
11
Thermal Shock Resistance, points 15
17

Alloy Composition


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Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 19.5 to 21.5
1.2 to 1.5
Copper (Cu), % 1.2 to 2.0
0 to 0.35
Iron (Fe), % 41.8 to 50.1
95.3 to 97.6
Manganese (Mn), % 1.0 to 2.5
0.4 to 0.7
Molybdenum (Mo), % 4.2 to 5.2
0.4 to 0.65
Nickel (Ni), % 24 to 26
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.9
0.4 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.025
Residuals, % 0
0 to 0.5