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AWS E309H vs. Commercially Pure Silver

AWS E309H belongs to the iron alloys classification, while commercially pure silver belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E309H and the bottom bar is commercially pure silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 34
1.1 to 29
Poisson's Ratio 0.27
0.37
Shear Modulus, GPa 78
26
Tensile Strength: Ultimate (UTS), MPa 620
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Melting Completion (Liquidus), °C 1410
960
Melting Onset (Solidus), °C 1370
960
Specific Heat Capacity, J/kg-K 480
240
Thermal Conductivity, W/m-K 15
420
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
87

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 22
4.9 to 8.9
Strength to Weight: Bending, points 21
6.9 to 10
Thermal Diffusivity, mm2/s 4.0
170
Thermal Shock Resistance, points 16
9.5 to 17

Alloy Composition

Carbon (C), % 0.040 to 0.15
0
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 55.8 to 65.5
0
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
99.9 to 100
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.1