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EN 1.4438 Stainless Steel vs. C99300 Copper

EN 1.4438 stainless steel belongs to the iron alloys classification, while C99300 copper belongs to the copper alloys. There are 29 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 1.4438 stainless steel and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 41
2.0
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
46
Tensile Strength: Ultimate (UTS), MPa 620
660
Tensile Strength: Yield (Proof), MPa 250
380

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1000
250
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1400
1070
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 14
43
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 22
35
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.4
4.5
Embodied Energy, MJ/kg 60
70
Embodied Water, L/kg 160
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
11
Resilience: Unit (Modulus of Resilience), kJ/m3 150
590
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19.5
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 0
68.6 to 74.4
Iron (Fe), % 57.3 to 66.5
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 13 to 16
13.5 to 16.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.020
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.050
Residuals, % 0
0 to 0.3