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C85500 Brass vs. ASTM A321 Carbon Steel

C85500 brass belongs to the copper alloys classification, while ASTM A321 carbon steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C85500 brass and the bottom bar is ASTM A321 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
190
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 40
21
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 410
670
Tensile Strength: Yield (Proof), MPa 160
390

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 46
18
Embodied Water, L/kg 320
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 120
400
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 14
24
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 38
14
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0
0 to 0.55
Copper (Cu), % 59 to 63
0
Iron (Fe), % 0 to 0.2
98.1 to 99.25
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 0 to 0.2
0.6 to 0.9
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 35.1 to 41
0
Residuals, % 0 to 0.9
0