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EN 1.4634 Stainless Steel vs. C91700 Bronze

EN 1.4634 stainless steel belongs to the iron alloys classification, while C91700 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 1.4634 stainless steel and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 21
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 540
330
Tensile Strength: Yield (Proof), MPa 280
170

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1430
1020
Melting Onset (Solidus), °C 1390
850
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 21
71
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 42
63
Embodied Water, L/kg 140
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
35
Resilience: Unit (Modulus of Resilience), kJ/m3 200
140
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 20
11
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 5.8
22
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 18.5
0
Copper (Cu), % 0 to 0.5
84.2 to 87.5
Iron (Fe), % 74.9 to 81.8
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
1.2 to 2.0
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.3
Silicon (Si), % 0.2 to 1.5
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Zinc (Zn), % 0
0 to 0.25