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EN 1.4125 Stainless Steel vs. C96700 Copper

EN 1.4125 stainless steel belongs to the iron alloys classification, while C96700 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4125 stainless steel and the bottom bar is C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 19
10
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
53
Tensile Strength: Ultimate (UTS), MPa 800
1210
Tensile Strength: Yield (Proof), MPa 470
550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
310
Melting Completion (Liquidus), °C 1430
1170
Melting Onset (Solidus), °C 1390
1110
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
90
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.3
9.5
Embodied Energy, MJ/kg 32
140
Embodied Water, L/kg 120
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
99
Resilience: Unit (Modulus of Resilience), kJ/m3 570
1080
Stiffness to Weight: Axial, points 14
8.9
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 29
38
Strength to Weight: Bending, points 25
29
Thermal Diffusivity, mm2/s 4.1
8.5
Thermal Shock Resistance, points 29
40

Alloy Composition

Beryllium (Be), % 0
1.1 to 1.2
Carbon (C), % 1.0 to 1.2
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
62.4 to 68.8
Iron (Fe), % 78 to 82.7
0.4 to 1.0
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0.4 to 1.0
Molybdenum (Mo), % 0.4 to 0.8
0
Nickel (Ni), % 0
29 to 33
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0.15 to 0.35
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.5