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AWS ER70S-B2L vs. C87300 Bronze

AWS ER70S-B2L belongs to the iron alloys classification, while C87300 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS ER70S-B2L and the bottom bar is C87300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 22
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 590
350
Tensile Strength: Yield (Proof), MPa 450
140

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
970
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 40
28
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
6.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.6
2.7
Embodied Energy, MJ/kg 21
42
Embodied Water, L/kg 54
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
62
Resilience: Unit (Modulus of Resilience), kJ/m3 530
86
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 21
11
Strength to Weight: Bending, points 20
13
Thermal Diffusivity, mm2/s 11
8.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0 to 0.35
94 to 95.7
Iron (Fe), % 95.3 to 97.6
0 to 0.2
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.4 to 0.7
0.8 to 1.5
Molybdenum (Mo), % 0.4 to 0.65
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.4 to 0.7
3.5 to 5.0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.5