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AWS ER70S-B2L vs. C31400 Bronze

AWS ER70S-B2L belongs to the iron alloys classification, while C31400 bronze belongs to the copper alloys. There are 27 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 ER70S-B2L and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 22
6.8 to 29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 590
270 to 420
Tensile Strength: Yield (Proof), MPa 450
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1420
1010
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 40
180
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
43

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
29
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 21
42
Embodied Water, L/kg 54
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 530
28 to 420
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21
8.7 to 13
Strength to Weight: Bending, points 20
11 to 14
Thermal Diffusivity, mm2/s 11
54
Thermal Shock Resistance, points 17
9.6 to 15

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0 to 0.35
87.5 to 90.5
Iron (Fe), % 95.3 to 97.6
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.4 to 0.65
0
Nickel (Ni), % 0 to 0.2
0 to 0.7
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
5.8 to 11.2
Residuals, % 0
0 to 0.4