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AWS E308H vs. AWS ER100S-1

Both AWS E308H and AWS ER100S-1 are iron alloys. Both are furnished in the as-welded condition. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E308H and the bottom bar is AWS ER100S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
18
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620
770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 14
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.8
Embodied Energy, MJ/kg 46
24
Embodied Water, L/kg 150
54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 16
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.040 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 21
0 to 0.3
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 62.9 to 72.5
93.5 to 96.9
Manganese (Mn), % 0.5 to 2.5
1.3 to 1.8
Molybdenum (Mo), % 0 to 0.75
0.25 to 0.55
Nickel (Ni), % 9.0 to 11
1.4 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0.2 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5