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C68700, brass, aluminum, mainly used for pipe condensers, evaporators and heat exchangers

Author : Date : 1/6/2016 11:27:45 PM
 ● Features and application:
 
C68700 aluminum brass will be an excellent cold working. Mainly used as a condenser, an evaporator and a heat exchanger tube.
 
● chemical composition:
 
Copper Cu: 76.0 ~ 79.0
 
Lead Pb: ≤0.70
 
Iron Fe: ≤0.06
 
Zinc Zn: balance
 
Aluminium Al: 1.8 ~ 2.5
 
Arsenic As: 0.02 ~ 0.10
 
Alloy: HA177-2
 
Tensile MPa: 360 / 600MPa
 
Yield MPa: 80 / 540MPa
 
Extend%: 50/10
 
Hardness HRB: 60/175
 
Section shrinkage%: 58