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EN 1.4640 Stainless Steel vs. C95820 Bronze

EN 1.4640 stainless steel belongs to the iron alloys classification, while C95820 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 C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 620 to 650
730
Tensile Strength: Yield (Proof), MPa 240 to 260
310

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 930
230
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1380
1020
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
38
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
29
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 40
56
Embodied Water, L/kg 150
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
86
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
400
Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22 to 23
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14 to 15
25

Alloy Composition

Aluminum (Al), % 0
9.0 to 10
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
77.5 to 82.5
Iron (Fe), % 67.4 to 73.6
4.0 to 5.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 1.5 to 4.0
0 to 1.5
Nickel (Ni), % 5.5 to 6.9
4.5 to 5.8
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.020
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.8