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C87900 Brass vs. AISI 440C Stainless Steel

C87900 brass belongs to the copper alloys classification, while AISI 440C stainless steel belongs to the iron alloys. There are 27 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 C87900 brass and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
2.0 to 14
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 480
710 to 1970
Tensile Strength: Yield (Proof), MPa 240
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 130
870
Melting Completion (Liquidus), °C 930
1480
Melting Onset (Solidus), °C 900
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
22
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.2
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 320
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
39 to 88
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 17
26 to 71
Strength to Weight: Bending, points 17
23 to 46
Thermal Diffusivity, mm2/s 37
6.0
Thermal Shock Resistance, points 16
26 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
1.0 to 1.2
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
78 to 83.1
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0