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AISI 348H Stainless Steel vs. C87900 Brass

AISI 348H stainless steel belongs to the iron alloys classification, while C87900 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 348H stainless steel and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
25
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 79
70
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 580
480
Tensile Strength: Yield (Proof), MPa 230
240

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 940
130
Melting Completion (Liquidus), °C 1430
930
Melting Onset (Solidus), °C 1390
900
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.9
2.7
Embodied Energy, MJ/kg 56
46
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
270
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.1
37
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 17 to 19
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 0
63 to 69.2
Iron (Fe), % 63.8 to 73.6
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 2.0
0 to 0.15
Nickel (Ni), % 9.0 to 13
0 to 0.5
Niobium (Nb), % 0.32 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.050
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
30 to 36