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EN 1.4640 Stainless Steel vs. C87300 Bronze

EN 1.4640 stainless steel belongs to the iron alloys classification, while C87300 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is C87300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 620 to 650
350
Tensile Strength: Yield (Proof), MPa 240 to 260
140

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Mechanical, °C 930
200
Melting Completion (Liquidus), °C 1420
970
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
42
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
62
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
86
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22 to 23
11
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 4.0
8.0
Thermal Shock Resistance, points 14 to 15
13

Alloy Composition

Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
94 to 95.7
Iron (Fe), % 67.4 to 73.6
0 to 0.2
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 1.5 to 4.0
0.8 to 1.5
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
3.5 to 5.0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.5