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EN 1.4640 Stainless Steel vs. C93400 Bronze

EN 1.4640 stainless steel belongs to the iron alloys classification, while C93400 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 C93400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 51
9.1
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
38
Tensile Strength: Ultimate (UTS), MPa 620 to 650
270
Tensile Strength: Yield (Proof), MPa 240 to 260
150

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 930
150
Melting Completion (Liquidus), °C 1420
950
Melting Onset (Solidus), °C 1380
850
Specific Heat Capacity, J/kg-K 480
350
Thermal Conductivity, W/m-K 15
58
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
32
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 40
54
Embodied Water, L/kg 150
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
21
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
120
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 22 to 23
8.3
Strength to Weight: Bending, points 21
10
Thermal Diffusivity, mm2/s 4.0
18
Thermal Shock Resistance, points 14 to 15
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
82 to 85
Iron (Fe), % 67.4 to 73.6
0 to 0.2
Lead (Pb), % 0
7.0 to 9.0
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0 to 1.0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 1.5
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.015
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 1.0