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C61800 Bronze vs. EN 1.4981 Stainless Steel

C61800 bronze belongs to the copper alloys classification, while EN 1.4981 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 26
39
Fatigue Strength, MPa 190
210
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Shear Strength, MPa 310
420
Tensile Strength: Ultimate (UTS), MPa 740
610
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 220
940
Melting Completion (Liquidus), °C 1050
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 64
16
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.8
Embodied Energy, MJ/kg 52
67
Embodied Water, L/kg 390
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 420
150
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 18
4.3
Thermal Shock Resistance, points 26
14

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 86.9 to 91
0
Iron (Fe), % 0.5 to 1.5
59.6 to 66.7
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
1.6 to 2.0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.1
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.020
0
Residuals, % 0 to 0.5
0