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AISI 348H Stainless Steel vs. C55180 Copper

AISI 348H stainless steel belongs to the iron alloys classification, while C55180 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 348H stainless steel and the bottom bar is C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 580
200
Tensile Strength: Yield (Proof), MPa 230
100

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 940
200
Melting Completion (Liquidus), °C 1430
920
Melting Onset (Solidus), °C 1390
710
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
200
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 20
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 3.9
2.5
Embodied Energy, MJ/kg 56
39
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
34
Resilience: Unit (Modulus of Resilience), kJ/m3 140
48
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
6.4
Strength to Weight: Bending, points 20
8.8
Thermal Diffusivity, mm2/s 4.1
56
Thermal Shock Resistance, points 13
7.9

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 17 to 19
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 0
94.7 to 95.2
Iron (Fe), % 63.8 to 73.6
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 13
0
Niobium (Nb), % 0.32 to 1.0
0
Phosphorus (P), % 0 to 0.045
4.8 to 5.2
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0 to 0.1
0
Residuals, % 0
0 to 0.15