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AWS ER70S-B2L vs. C77400 Nickel Silver

AWS ER70S-B2L belongs to the iron alloys classification, while C77400 nickel silver belongs to the copper alloys. There are 25 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 ER70S-B2L and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 22
25
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 590
570
Tensile Strength: Yield (Proof), MPa 450
250

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Melting Completion (Liquidus), °C 1460
810
Melting Onset (Solidus), °C 1420
770
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
31

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
3.5
Embodied Energy, MJ/kg 21
57
Embodied Water, L/kg 54
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 530
290
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Shock Resistance, points 17
18

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0 to 0.35
43 to 47
Iron (Fe), % 95.3 to 97.6
0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.4 to 0.65
0
Nickel (Ni), % 0 to 0.2
9.0 to 11
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.4 to 0.7
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
41.3 to 48
Residuals, % 0
0 to 0.5