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EN 1.4034 Stainless Steel vs. C31400 Bronze

EN 1.4034 stainless steel belongs to the iron alloys classification, while C31400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4034 stainless steel and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 14
6.8 to 29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
42
Shear Strength, MPa 420 to 540
180 to 240
Tensile Strength: Ultimate (UTS), MPa 690 to 900
270 to 420
Tensile Strength: Yield (Proof), MPa 390 to 730
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Maximum Temperature: Mechanical, °C 770
180
Melting Completion (Liquidus), °C 1440
1040
Melting Onset (Solidus), °C 1390
1010
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 30
180
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
42
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
43

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
29
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 27
42
Embodied Water, L/kg 100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
28 to 420
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25 to 32
8.7 to 13
Strength to Weight: Bending, points 22 to 27
11 to 14
Thermal Diffusivity, mm2/s 8.1
54
Thermal Shock Resistance, points 24 to 32
9.6 to 15

Alloy Composition

Carbon (C), % 0.43 to 0.5
0
Chromium (Cr), % 12.5 to 14.5
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 83 to 87.1
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0
0 to 0.7
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4