C85500 belongs to American Standard Brass,
Implementation standard: ASTM B505 B505M-2018 copper alloy continuous casting
Cast copper alloy has excellent casting properties and high mechanical properties and wear resistance,
Good machinability, can be welded,
Corrosion resistance,
There is a tendency to stress corrosion cracking.
C85500 cast copper alloy for general structural and corrosion-resistant parts,
Such as flanges, valve seats, toenails,
Handles and nuts, etc.
C85500 Chemical Composition:
With——59~63%
Fe——≤0.2%
Pb——≤0.2%
Zn - Margin
Sum of impurities: ≤0.5%
Mechanical properties
Tensile strength: (σb/MPa) 410-630
Elongation: (δ10/%) ≥10
Vickers hardness: (HV)105-175 (thickness≥0.3)
●Heat treatment specification: pouring temperature 1060 ~ 1100 °C.
C85800
chemical composition:
With:57
At:0.55
Sb：0.05
Fe：0.5
Pb：1.5
Ni:0.5
P：0.01
Yes:0.25
S：0.05
Sn：1.5
Zn：31-41
Mn：0.25
Tensile strength σb (MPa): ≥265
Elongation δ10 (%): ≥50
Note: Tensile mechanical properties of the plate
Specimen size: thickness ≥0.5
Heat treatment specifications
The hot working temperature is 820~870°C
Annealing temperature 600 ~ 700 °C
Low temperature annealing temperature to eliminate internal stresses is 260 °C.
apply:
It is characterized by good machinability, good mechanical properties and the ability to withstand cold. Thermal pressure processing, easy welding, brazing is good, has good stability to corrosion, but has a tendency to corrode and rupture, mainly used for air conditioning valves, hardware machinery and so on.