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Material
HAl77-2
Standard
GB /T 5231-2012
Standard
GB /T 5231-2022
Designation and chemical composition of wrought copper and copper alloys
Standard
GB /T 5231-2001
Designation and chemical composition of wrought copper and copper alloys
Standard
YS /T 649-2018
Extruded rod and bar of copper and copper alloys
Standard
GB /T 8890-2007
Seamlesscopperalloytubeforcondenserandheat-exchanger
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
YS /T 649-2018
Extruded rod and bar of copper and copper alloys
HAl77-2
(
C68700
)
Min
Max
GB /T 5231-2012
HAl77-2
(
C68700
)
Min
Max
GB /T 8890-2007
Seamlesscopperalloytubeforcondenserandheat-exchanger
HAl77-2
(
77-2铝黄铜
)
Min
Max
GB /T 5231-2001
Designation and chemical composition of wrought copper and copper alloys
HAl77-2
(
77-2铝黄铜
)
Min
Max
GB /T 5231-2022
Designation and chemical composition of wrought copper and copper alloys
HAl77-2
(
C68700
)
Min
Max
For Reference Only
