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AWS E316LMn vs. C71640 Copper-nickel

AWS E316LMn belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E316LMn and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
52
Tensile Strength: Ultimate (UTS), MPa 620
490 to 630

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Melting Completion (Liquidus), °C 1420
1180
Melting Onset (Solidus), °C 1370
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
40
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.6
5.0
Embodied Energy, MJ/kg 64
73
Embodied Water, L/kg 180
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
15 to 20
Strength to Weight: Bending, points 20
16 to 18
Thermal Shock Resistance, points 15
16 to 21

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
61.7 to 67.8
Iron (Fe), % 47.5 to 59.4
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 5.0 to 8.0
1.5 to 2.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 15 to 18
29 to 32
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5